1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6 * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * * 10 * This program is free software; you can redistribute it and/or * 11 * modify it under the terms of version 2 of the GNU General * 12 * Public License as published by the Free Software Foundation. * 13 * This program is distributed in the hope that it will be useful. * 14 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 15 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 17 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 18 * TO BE LEGALLY INVALID. See the GNU General Public License for * 19 * more details, a copy of which can be found in the file COPYING * 20 * included with this package. * 21 *******************************************************************/ 22 23 /* 24 * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS 25 */ 26 27 #include <linux/blkdev.h> 28 #include <linux/pci.h> 29 #include <linux/interrupt.h> 30 #include <linux/slab.h> 31 #include <linux/utsname.h> 32 33 #include <scsi/scsi.h> 34 #include <scsi/scsi_device.h> 35 #include <scsi/scsi_host.h> 36 #include <scsi/scsi_transport_fc.h> 37 #include <scsi/fc/fc_fs.h> 38 39 #include "lpfc_hw4.h" 40 #include "lpfc_hw.h" 41 #include "lpfc_sli.h" 42 #include "lpfc_sli4.h" 43 #include "lpfc_nl.h" 44 #include "lpfc_disc.h" 45 #include "lpfc.h" 46 #include "lpfc_scsi.h" 47 #include "lpfc_logmsg.h" 48 #include "lpfc_crtn.h" 49 #include "lpfc_version.h" 50 #include "lpfc_vport.h" 51 #include "lpfc_debugfs.h" 52 53 /* FDMI Port Speed definitions - FC-GS-7 */ 54 #define HBA_PORTSPEED_1GFC 0x00000001 /* 1G FC */ 55 #define HBA_PORTSPEED_2GFC 0x00000002 /* 2G FC */ 56 #define HBA_PORTSPEED_4GFC 0x00000008 /* 4G FC */ 57 #define HBA_PORTSPEED_10GFC 0x00000004 /* 10G FC */ 58 #define HBA_PORTSPEED_8GFC 0x00000010 /* 8G FC */ 59 #define HBA_PORTSPEED_16GFC 0x00000020 /* 16G FC */ 60 #define HBA_PORTSPEED_32GFC 0x00000040 /* 32G FC */ 61 #define HBA_PORTSPEED_20GFC 0x00000080 /* 20G FC */ 62 #define HBA_PORTSPEED_40GFC 0x00000100 /* 40G FC */ 63 #define HBA_PORTSPEED_128GFC 0x00000200 /* 128G FC */ 64 #define HBA_PORTSPEED_64GFC 0x00000400 /* 64G FC */ 65 #define HBA_PORTSPEED_256GFC 0x00000800 /* 256G FC */ 66 #define HBA_PORTSPEED_UNKNOWN 0x00008000 /* Unknown */ 67 #define HBA_PORTSPEED_10GE 0x00010000 /* 10G E */ 68 #define HBA_PORTSPEED_40GE 0x00020000 /* 40G E */ 69 #define HBA_PORTSPEED_100GE 0x00040000 /* 100G E */ 70 #define HBA_PORTSPEED_25GE 0x00080000 /* 25G E */ 71 #define HBA_PORTSPEED_50GE 0x00100000 /* 50G E */ 72 #define HBA_PORTSPEED_400GE 0x00200000 /* 400G E */ 73 74 #define FOURBYTES 4 75 76 77 static char *lpfc_release_version = LPFC_DRIVER_VERSION; 78 static void 79 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 80 struct lpfc_iocbq *rspiocb); 81 82 static void lpfc_ct_ignore_hbq_buffer(struct lpfc_hba * phba,struct lpfc_iocbq * piocbq,struct lpfc_dmabuf * mp,uint32_t size)83 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, 84 struct lpfc_dmabuf *mp, uint32_t size) 85 { 86 if (!mp) { 87 lpfc_printf_log(phba, KERN_INFO, LOG_ELS, 88 "0146 Ignoring unsolicited CT No HBQ " 89 "status = x%x\n", 90 get_job_ulpstatus(phba, piocbq)); 91 } 92 lpfc_printf_log(phba, KERN_INFO, LOG_ELS, 93 "0145 Ignoring unsolicited CT HBQ Size:%d " 94 "status = x%x\n", 95 size, get_job_ulpstatus(phba, piocbq)); 96 } 97 98 static void lpfc_ct_unsol_buffer(struct lpfc_hba * phba,struct lpfc_iocbq * piocbq,struct lpfc_dmabuf * mp,uint32_t size)99 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, 100 struct lpfc_dmabuf *mp, uint32_t size) 101 { 102 lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size); 103 } 104 105 /** 106 * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands 107 * @phba : pointer to lpfc hba data structure. 108 * @cmdiocb : pointer to lpfc command iocb data structure. 109 * @rspiocb : pointer to lpfc response iocb data structure. 110 * 111 * This routine is the callback function for issuing unsol ct reject command. 112 * The memory allocated in the reject command path is freed up here. 113 **/ 114 static void lpfc_ct_unsol_cmpl(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 116 struct lpfc_iocbq *rspiocb) 117 { 118 struct lpfc_nodelist *ndlp; 119 struct lpfc_dmabuf *mp, *bmp; 120 121 ndlp = cmdiocb->ndlp; 122 if (ndlp) 123 lpfc_nlp_put(ndlp); 124 125 mp = cmdiocb->rsp_dmabuf; 126 bmp = cmdiocb->bpl_dmabuf; 127 if (mp) { 128 lpfc_mbuf_free(phba, mp->virt, mp->phys); 129 kfree(mp); 130 cmdiocb->rsp_dmabuf = NULL; 131 } 132 133 if (bmp) { 134 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 135 kfree(bmp); 136 cmdiocb->bpl_dmabuf = NULL; 137 } 138 139 lpfc_sli_release_iocbq(phba, cmdiocb); 140 } 141 142 /** 143 * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands 144 * @ndlp: pointer to a node-list data structure. 145 * @ct_req: pointer to the CT request data structure. 146 * @ulp_context: context of received UNSOL CT command 147 * @ox_id: ox_id of the UNSOL CT command 148 * 149 * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending 150 * a reject response. Reject response is sent for the unhandled commands. 151 **/ 152 static void lpfc_ct_reject_event(struct lpfc_nodelist * ndlp,struct lpfc_sli_ct_request * ct_req,u16 ulp_context,u16 ox_id)153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, 154 struct lpfc_sli_ct_request *ct_req, 155 u16 ulp_context, u16 ox_id) 156 { 157 struct lpfc_vport *vport = ndlp->vport; 158 struct lpfc_hba *phba = vport->phba; 159 struct lpfc_sli_ct_request *ct_rsp; 160 struct lpfc_iocbq *cmdiocbq = NULL; 161 struct lpfc_dmabuf *bmp = NULL; 162 struct lpfc_dmabuf *mp = NULL; 163 struct ulp_bde64 *bpl; 164 u8 rc = 0; 165 u32 tmo; 166 167 /* fill in BDEs for command */ 168 mp = kmalloc(sizeof(*mp), GFP_KERNEL); 169 if (!mp) { 170 rc = 1; 171 goto ct_exit; 172 } 173 174 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys); 175 if (!mp->virt) { 176 rc = 2; 177 goto ct_free_mp; 178 } 179 180 /* Allocate buffer for Buffer ptr list */ 181 bmp = kmalloc(sizeof(*bmp), GFP_KERNEL); 182 if (!bmp) { 183 rc = 3; 184 goto ct_free_mpvirt; 185 } 186 187 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys); 188 if (!bmp->virt) { 189 rc = 4; 190 goto ct_free_bmp; 191 } 192 193 INIT_LIST_HEAD(&mp->list); 194 INIT_LIST_HEAD(&bmp->list); 195 196 bpl = (struct ulp_bde64 *)bmp->virt; 197 memset(bpl, 0, sizeof(struct ulp_bde64)); 198 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys)); 199 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys)); 200 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; 201 bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4); 202 bpl->tus.w = le32_to_cpu(bpl->tus.w); 203 204 ct_rsp = (struct lpfc_sli_ct_request *)mp->virt; 205 memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request)); 206 207 ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION; 208 ct_rsp->RevisionId.bits.InId = 0; 209 ct_rsp->FsType = ct_req->FsType; 210 ct_rsp->FsSubType = ct_req->FsSubType; 211 ct_rsp->CommandResponse.bits.Size = 0; 212 ct_rsp->CommandResponse.bits.CmdRsp = 213 cpu_to_be16(SLI_CT_RESPONSE_FS_RJT); 214 ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED; 215 ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL; 216 217 cmdiocbq = lpfc_sli_get_iocbq(phba); 218 if (!cmdiocbq) { 219 rc = 5; 220 goto ct_free_bmpvirt; 221 } 222 223 if (phba->sli_rev == LPFC_SLI_REV4) { 224 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 225 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], 226 ox_id, 1, FC_RCTL_DD_SOL_CTL, 1, 227 CMD_XMIT_SEQUENCE64_WQE); 228 } else { 229 lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1, 230 FC_RCTL_DD_SOL_CTL, 1, 231 CMD_XMIT_SEQUENCE64_CX); 232 } 233 234 /* Save for completion so we can release these resources */ 235 cmdiocbq->rsp_dmabuf = mp; 236 cmdiocbq->bpl_dmabuf = bmp; 237 cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl; 238 tmo = (3 * phba->fc_ratov); 239 240 cmdiocbq->retry = 0; 241 cmdiocbq->vport = vport; 242 cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; 243 244 cmdiocbq->ndlp = lpfc_nlp_get(ndlp); 245 if (!cmdiocbq->ndlp) 246 goto ct_no_ndlp; 247 248 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0); 249 if (rc) { 250 lpfc_nlp_put(ndlp); 251 goto ct_no_ndlp; 252 } 253 return; 254 255 ct_no_ndlp: 256 rc = 6; 257 lpfc_sli_release_iocbq(phba, cmdiocbq); 258 ct_free_bmpvirt: 259 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 260 ct_free_bmp: 261 kfree(bmp); 262 ct_free_mpvirt: 263 lpfc_mbuf_free(phba, mp->virt, mp->phys); 264 ct_free_mp: 265 kfree(mp); 266 ct_exit: 267 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, 268 "6440 Unsol CT: Rsp err %d Data: x%x\n", 269 rc, vport->fc_flag); 270 } 271 272 /** 273 * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer 274 * @phba: pointer to lpfc hba data structure. 275 * @ctiocbq: pointer to lpfc CT command iocb data structure. 276 * 277 * This routine is used for processing the IOCB associated with a unsolicited 278 * CT MIB request. It first determines whether there is an existing ndlp that 279 * matches the DID from the unsolicited IOCB. If not, it will return. 280 **/ 281 static void lpfc_ct_handle_mibreq(struct lpfc_hba * phba,struct lpfc_iocbq * ctiocbq)282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq) 283 { 284 struct lpfc_sli_ct_request *ct_req; 285 struct lpfc_nodelist *ndlp = NULL; 286 struct lpfc_vport *vport = ctiocbq->vport; 287 u32 ulp_status = get_job_ulpstatus(phba, ctiocbq); 288 u32 ulp_word4 = get_job_word4(phba, ctiocbq); 289 u32 did; 290 u16 mi_cmd; 291 292 did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp); 293 if (ulp_status) { 294 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 295 "6438 Unsol CT: status:x%x/x%x did : x%x\n", 296 ulp_status, ulp_word4, did); 297 return; 298 } 299 300 /* Ignore traffic received during vport shutdown */ 301 if (vport->fc_flag & FC_UNLOADING) 302 return; 303 304 ndlp = lpfc_findnode_did(vport, did); 305 if (!ndlp) { 306 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 307 "6439 Unsol CT: NDLP Not Found for DID : x%x", 308 did); 309 return; 310 } 311 312 ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt; 313 314 mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp); 315 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 316 "6442 : MI Cmd : x%x Not Supported\n", mi_cmd); 317 lpfc_ct_reject_event(ndlp, ct_req, 318 bf_get(wqe_ctxt_tag, 319 &ctiocbq->wqe.xmit_els_rsp.wqe_com), 320 bf_get(wqe_rcvoxid, 321 &ctiocbq->wqe.xmit_els_rsp.wqe_com)); 322 } 323 324 /** 325 * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring 326 * @phba: pointer to lpfc hba data structure. 327 * @pring: pointer to a SLI ring. 328 * @ctiocbq: pointer to lpfc ct iocb data structure. 329 * 330 * This routine is used to process an unsolicited event received from a SLI 331 * (Service Level Interface) ring. The actual processing of the data buffer 332 * associated with the unsolicited event is done by invoking appropriate routine 333 * after properly set up the iocb buffer from the SLI ring on which the 334 * unsolicited event was received. 335 **/ 336 void lpfc_ct_unsol_event(struct lpfc_hba * phba,struct lpfc_sli_ring * pring,struct lpfc_iocbq * ctiocbq)337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 338 struct lpfc_iocbq *ctiocbq) 339 { 340 struct lpfc_dmabuf *mp = NULL; 341 IOCB_t *icmd = &ctiocbq->iocb; 342 int i; 343 struct lpfc_iocbq *iocbq; 344 struct lpfc_iocbq *iocb; 345 dma_addr_t dma_addr; 346 uint32_t size; 347 struct list_head head; 348 struct lpfc_sli_ct_request *ct_req; 349 struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf; 350 struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf; 351 u32 status, parameter, bde_count = 0; 352 struct lpfc_wcqe_complete *wcqe_cmpl = NULL; 353 354 ctiocbq->cmd_dmabuf = NULL; 355 ctiocbq->rsp_dmabuf = NULL; 356 ctiocbq->bpl_dmabuf = NULL; 357 358 wcqe_cmpl = &ctiocbq->wcqe_cmpl; 359 status = get_job_ulpstatus(phba, ctiocbq); 360 parameter = get_job_word4(phba, ctiocbq); 361 if (phba->sli_rev == LPFC_SLI_REV4) 362 bde_count = wcqe_cmpl->word3; 363 else 364 bde_count = icmd->ulpBdeCount; 365 366 if (unlikely(status == IOSTAT_NEED_BUFFER)) { 367 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); 368 } else if ((status == IOSTAT_LOCAL_REJECT) && 369 ((parameter & IOERR_PARAM_MASK) == 370 IOERR_RCV_BUFFER_WAITING)) { 371 /* Not enough posted buffers; Try posting more buffers */ 372 phba->fc_stat.NoRcvBuf++; 373 if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) 374 lpfc_sli3_post_buffer(phba, pring, 2); 375 return; 376 } 377 378 /* If there are no BDEs associated 379 * with this IOCB, there is nothing to do. 380 */ 381 if (bde_count == 0) 382 return; 383 384 ctiocbq->cmd_dmabuf = bdeBuf1; 385 if (bde_count == 2) 386 ctiocbq->bpl_dmabuf = bdeBuf2; 387 388 ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt; 389 390 if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE && 391 ct_req->FsSubType == SLI_CT_MIB_Subtypes) { 392 lpfc_ct_handle_mibreq(phba, ctiocbq); 393 } else { 394 if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq)) 395 return; 396 } 397 398 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 399 INIT_LIST_HEAD(&head); 400 list_add_tail(&head, &ctiocbq->list); 401 list_for_each_entry(iocb, &head, list) { 402 if (phba->sli_rev == LPFC_SLI_REV4) 403 bde_count = iocb->wcqe_cmpl.word3; 404 else 405 bde_count = iocb->iocb.ulpBdeCount; 406 407 if (!bde_count) 408 continue; 409 bdeBuf1 = iocb->cmd_dmabuf; 410 iocb->cmd_dmabuf = NULL; 411 if (phba->sli_rev == LPFC_SLI_REV4) 412 size = iocb->wqe.gen_req.bde.tus.f.bdeSize; 413 else 414 size = iocb->iocb.un.cont64[0].tus.f.bdeSize; 415 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size); 416 lpfc_in_buf_free(phba, bdeBuf1); 417 if (bde_count == 2) { 418 bdeBuf2 = iocb->bpl_dmabuf; 419 iocb->bpl_dmabuf = NULL; 420 if (phba->sli_rev == LPFC_SLI_REV4) 421 size = iocb->unsol_rcv_len; 422 else 423 size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize; 424 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2, 425 size); 426 lpfc_in_buf_free(phba, bdeBuf2); 427 } 428 } 429 list_del(&head); 430 } else { 431 INIT_LIST_HEAD(&head); 432 list_add_tail(&head, &ctiocbq->list); 433 list_for_each_entry(iocbq, &head, list) { 434 icmd = &iocbq->iocb; 435 if (icmd->ulpBdeCount == 0) 436 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0); 437 for (i = 0; i < icmd->ulpBdeCount; i++) { 438 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh, 439 icmd->un.cont64[i].addrLow); 440 mp = lpfc_sli_ringpostbuf_get(phba, pring, 441 dma_addr); 442 size = icmd->un.cont64[i].tus.f.bdeSize; 443 lpfc_ct_unsol_buffer(phba, iocbq, mp, size); 444 lpfc_in_buf_free(phba, mp); 445 } 446 lpfc_sli3_post_buffer(phba, pring, i); 447 } 448 list_del(&head); 449 } 450 } 451 452 /** 453 * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler 454 * @phba: Pointer to HBA context object. 455 * @dmabuf: pointer to a dmabuf that describes the FC sequence 456 * 457 * This function serves as the upper level protocol abort handler for CT 458 * protocol. 459 * 460 * Return 1 if abort has been handled, 0 otherwise. 461 **/ 462 int lpfc_ct_handle_unsol_abort(struct lpfc_hba * phba,struct hbq_dmabuf * dmabuf)463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf) 464 { 465 int handled; 466 467 /* CT upper level goes through BSG */ 468 handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf); 469 470 return handled; 471 } 472 473 static void lpfc_free_ct_rsp(struct lpfc_hba * phba,struct lpfc_dmabuf * mlist)474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist) 475 { 476 struct lpfc_dmabuf *mlast, *next_mlast; 477 478 list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) { 479 list_del(&mlast->list); 480 lpfc_mbuf_free(phba, mlast->virt, mlast->phys); 481 kfree(mlast); 482 } 483 lpfc_mbuf_free(phba, mlist->virt, mlist->phys); 484 kfree(mlist); 485 return; 486 } 487 488 static struct lpfc_dmabuf * lpfc_alloc_ct_rsp(struct lpfc_hba * phba,__be16 cmdcode,struct ulp_bde64 * bpl,uint32_t size,int * entries)489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl, 490 uint32_t size, int *entries) 491 { 492 struct lpfc_dmabuf *mlist = NULL; 493 struct lpfc_dmabuf *mp; 494 int cnt, i = 0; 495 496 /* We get chunks of FCELSSIZE */ 497 cnt = size > FCELSSIZE ? FCELSSIZE: size; 498 499 while (size) { 500 /* Allocate buffer for rsp payload */ 501 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 502 if (!mp) { 503 if (mlist) 504 lpfc_free_ct_rsp(phba, mlist); 505 return NULL; 506 } 507 508 INIT_LIST_HEAD(&mp->list); 509 510 if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT || 511 be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID) 512 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); 513 else 514 mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); 515 516 if (!mp->virt) { 517 kfree(mp); 518 if (mlist) 519 lpfc_free_ct_rsp(phba, mlist); 520 return NULL; 521 } 522 523 /* Queue it to a linked list */ 524 if (!mlist) 525 mlist = mp; 526 else 527 list_add_tail(&mp->list, &mlist->list); 528 529 bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; 530 /* build buffer ptr list for IOCB */ 531 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); 532 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); 533 bpl->tus.f.bdeSize = (uint16_t) cnt; 534 bpl->tus.w = le32_to_cpu(bpl->tus.w); 535 bpl++; 536 537 i++; 538 size -= cnt; 539 } 540 541 *entries = i; 542 return mlist; 543 } 544 545 int lpfc_ct_free_iocb(struct lpfc_hba * phba,struct lpfc_iocbq * ctiocb)546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb) 547 { 548 struct lpfc_dmabuf *buf_ptr; 549 550 /* IOCBQ job structure gets cleaned during release. Just release 551 * the dma buffers here. 552 */ 553 if (ctiocb->cmd_dmabuf) { 554 buf_ptr = ctiocb->cmd_dmabuf; 555 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 556 kfree(buf_ptr); 557 ctiocb->cmd_dmabuf = NULL; 558 } 559 if (ctiocb->rsp_dmabuf) { 560 lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf); 561 ctiocb->rsp_dmabuf = NULL; 562 } 563 564 if (ctiocb->bpl_dmabuf) { 565 buf_ptr = ctiocb->bpl_dmabuf; 566 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); 567 kfree(buf_ptr); 568 ctiocb->bpl_dmabuf = NULL; 569 } 570 lpfc_sli_release_iocbq(phba, ctiocb); 571 return 0; 572 } 573 574 /* 575 * lpfc_gen_req - Build and issue a GEN_REQUEST command to the SLI Layer 576 * @vport: pointer to a host virtual N_Port data structure. 577 * @bmp: Pointer to BPL for SLI command 578 * @inp: Pointer to data buffer for response data. 579 * @outp: Pointer to data buffer that hold the CT command. 580 * @cmpl: completion routine to call when command completes 581 * @ndlp: Destination NPort nodelist entry 582 * 583 * This function as the final part for issuing a CT command. 584 */ 585 static int lpfc_gen_req(struct lpfc_vport * vport,struct lpfc_dmabuf * bmp,struct lpfc_dmabuf * inp,struct lpfc_dmabuf * outp,void (* cmpl)(struct lpfc_hba *,struct lpfc_iocbq *,struct lpfc_iocbq *),struct lpfc_nodelist * ndlp,uint32_t event_tag,uint32_t num_entry,uint32_t tmo,uint8_t retry)586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, 587 struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp, 588 void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, 589 struct lpfc_iocbq *), 590 struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry, 591 uint32_t tmo, uint8_t retry) 592 { 593 struct lpfc_hba *phba = vport->phba; 594 struct lpfc_iocbq *geniocb; 595 int rc; 596 u16 ulp_context; 597 598 /* Allocate buffer for command iocb */ 599 geniocb = lpfc_sli_get_iocbq(phba); 600 601 if (geniocb == NULL) 602 return 1; 603 604 /* Update the num_entry bde count */ 605 geniocb->num_bdes = num_entry; 606 607 geniocb->bpl_dmabuf = bmp; 608 609 /* Save for completion so we can release these resources */ 610 geniocb->cmd_dmabuf = inp; 611 geniocb->rsp_dmabuf = outp; 612 613 geniocb->event_tag = event_tag; 614 615 if (!tmo) { 616 /* FC spec states we need 3 * ratov for CT requests */ 617 tmo = (3 * phba->fc_ratov); 618 } 619 620 if (phba->sli_rev == LPFC_SLI_REV4) 621 ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; 622 else 623 ulp_context = ndlp->nlp_rpi; 624 625 lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo); 626 627 /* Issue GEN REQ IOCB for NPORT <did> */ 628 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 629 "0119 Issue GEN REQ IOCB to NPORT x%x " 630 "Data: x%x x%x\n", 631 ndlp->nlp_DID, geniocb->iotag, 632 vport->port_state); 633 geniocb->cmd_cmpl = cmpl; 634 geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; 635 geniocb->vport = vport; 636 geniocb->retry = retry; 637 geniocb->ndlp = lpfc_nlp_get(ndlp); 638 if (!geniocb->ndlp) 639 goto out; 640 641 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); 642 if (rc == IOCB_ERROR) { 643 lpfc_nlp_put(ndlp); 644 goto out; 645 } 646 647 return 0; 648 out: 649 lpfc_sli_release_iocbq(phba, geniocb); 650 return 1; 651 } 652 653 /* 654 * lpfc_ct_cmd - Build and issue a CT command 655 * @vport: pointer to a host virtual N_Port data structure. 656 * @inmp: Pointer to data buffer for response data. 657 * @bmp: Pointer to BPL for SLI command 658 * @ndlp: Destination NPort nodelist entry 659 * @cmpl: completion routine to call when command completes 660 * 661 * This function is called for issuing a CT command. 662 */ 663 static int lpfc_ct_cmd(struct lpfc_vport * vport,struct lpfc_dmabuf * inmp,struct lpfc_dmabuf * bmp,struct lpfc_nodelist * ndlp,void (* cmpl)(struct lpfc_hba *,struct lpfc_iocbq *,struct lpfc_iocbq *),uint32_t rsp_size,uint8_t retry)664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp, 665 struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp, 666 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 667 struct lpfc_iocbq *), 668 uint32_t rsp_size, uint8_t retry) 669 { 670 struct lpfc_hba *phba = vport->phba; 671 struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt; 672 struct lpfc_dmabuf *outmp; 673 int cnt = 0, status; 674 __be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)-> 675 CommandResponse.bits.CmdRsp; 676 677 bpl++; /* Skip past ct request */ 678 679 /* Put buffer(s) for ct rsp in bpl */ 680 outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt); 681 if (!outmp) 682 return -ENOMEM; 683 /* 684 * Form the CT IOCB. The total number of BDEs in this IOCB 685 * is the single command plus response count from 686 * lpfc_alloc_ct_rsp. 687 */ 688 cnt += 1; 689 status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 690 phba->fc_eventTag, cnt, 0, retry); 691 if (status) { 692 lpfc_free_ct_rsp(phba, outmp); 693 return -ENOMEM; 694 } 695 return 0; 696 } 697 698 struct lpfc_vport * lpfc_find_vport_by_did(struct lpfc_hba * phba,uint32_t did)699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) { 700 struct lpfc_vport *vport_curr; 701 unsigned long flags; 702 703 spin_lock_irqsave(&phba->port_list_lock, flags); 704 list_for_each_entry(vport_curr, &phba->port_list, listentry) { 705 if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) { 706 spin_unlock_irqrestore(&phba->port_list_lock, flags); 707 return vport_curr; 708 } 709 } 710 spin_unlock_irqrestore(&phba->port_list_lock, flags); 711 return NULL; 712 } 713 714 static void lpfc_prep_node_fc4type(struct lpfc_vport * vport,uint32_t Did,uint8_t fc4_type)715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type) 716 { 717 struct lpfc_nodelist *ndlp; 718 719 if ((vport->port_type != LPFC_NPIV_PORT) || 720 !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) { 721 722 ndlp = lpfc_setup_disc_node(vport, Did); 723 724 if (ndlp) { 725 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 726 "Parse GID_FTrsp: did:x%x flg:x%x x%x", 727 Did, ndlp->nlp_flag, vport->fc_flag); 728 729 /* By default, the driver expects to support FCP FC4 */ 730 if (fc4_type == FC_TYPE_FCP) 731 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 732 733 if (fc4_type == FC_TYPE_NVME) 734 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 735 736 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 737 "0238 Process x%06x NameServer Rsp " 738 "Data: x%x x%x x%x x%x x%x\n", Did, 739 ndlp->nlp_flag, ndlp->nlp_fc4_type, 740 ndlp->nlp_state, vport->fc_flag, 741 vport->fc_rscn_id_cnt); 742 743 /* if ndlp needs to be discovered and prior 744 * state of ndlp hit devloss, change state to 745 * allow rediscovery. 746 */ 747 if (ndlp->nlp_flag & NLP_NPR_2B_DISC && 748 ndlp->nlp_state == NLP_STE_UNUSED_NODE) { 749 lpfc_nlp_set_state(vport, ndlp, 750 NLP_STE_NPR_NODE); 751 } 752 } else { 753 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 754 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d", 755 Did, vport->fc_flag, vport->fc_rscn_id_cnt); 756 757 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 758 "0239 Skip x%06x NameServer Rsp " 759 "Data: x%x x%x x%px\n", 760 Did, vport->fc_flag, 761 vport->fc_rscn_id_cnt, ndlp); 762 } 763 } else { 764 if (!(vport->fc_flag & FC_RSCN_MODE) || 765 lpfc_rscn_payload_check(vport, Did)) { 766 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 767 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d", 768 Did, vport->fc_flag, vport->fc_rscn_id_cnt); 769 770 /* 771 * This NPortID was previously a FCP/NVMe target, 772 * Don't even bother to send GFF_ID. 773 */ 774 ndlp = lpfc_findnode_did(vport, Did); 775 if (ndlp && 776 (ndlp->nlp_type & 777 (NLP_FCP_TARGET | NLP_NVME_TARGET))) { 778 if (fc4_type == FC_TYPE_FCP) 779 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 780 if (fc4_type == FC_TYPE_NVME) 781 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 782 lpfc_setup_disc_node(vport, Did); 783 } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, 784 0, Did) == 0) 785 vport->num_disc_nodes++; 786 else 787 lpfc_setup_disc_node(vport, Did); 788 } else { 789 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 790 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d", 791 Did, vport->fc_flag, vport->fc_rscn_id_cnt); 792 793 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 794 "0245 Skip x%06x NameServer Rsp " 795 "Data: x%x x%x\n", Did, 796 vport->fc_flag, 797 vport->fc_rscn_id_cnt); 798 } 799 } 800 } 801 802 static void lpfc_ns_rsp_audit_did(struct lpfc_vport * vport,uint32_t Did,uint8_t fc4_type)803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type) 804 { 805 struct lpfc_hba *phba = vport->phba; 806 struct lpfc_nodelist *ndlp = NULL; 807 char *str; 808 809 if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT) 810 str = "GID_FT"; 811 else 812 str = "GID_PT"; 813 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 814 "6430 Process %s rsp for %08x type %x %s %s\n", 815 str, Did, fc4_type, 816 (fc4_type == FC_TYPE_FCP) ? "FCP" : " ", 817 (fc4_type == FC_TYPE_NVME) ? "NVME" : " "); 818 /* 819 * To conserve rpi's, filter out addresses for other 820 * vports on the same physical HBAs. 821 */ 822 if (Did != vport->fc_myDID && 823 (!lpfc_find_vport_by_did(phba, Did) || 824 vport->cfg_peer_port_login)) { 825 if (!phba->nvmet_support) { 826 /* FCPI/NVMEI path. Process Did */ 827 lpfc_prep_node_fc4type(vport, Did, fc4_type); 828 return; 829 } 830 /* NVMET path. NVMET only cares about NVMEI nodes. */ 831 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 832 if (ndlp->nlp_type != NLP_NVME_INITIATOR || 833 ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) 834 continue; 835 spin_lock_irq(&ndlp->lock); 836 if (ndlp->nlp_DID == Did) 837 ndlp->nlp_flag &= ~NLP_NVMET_RECOV; 838 else 839 ndlp->nlp_flag |= NLP_NVMET_RECOV; 840 spin_unlock_irq(&ndlp->lock); 841 } 842 } 843 } 844 845 static int lpfc_ns_rsp(struct lpfc_vport * vport,struct lpfc_dmabuf * mp,uint8_t fc4_type,uint32_t Size)846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type, 847 uint32_t Size) 848 { 849 struct lpfc_sli_ct_request *Response = 850 (struct lpfc_sli_ct_request *) mp->virt; 851 struct lpfc_dmabuf *mlast, *next_mp; 852 uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType; 853 uint32_t Did, CTentry; 854 int Cnt; 855 struct list_head head; 856 struct lpfc_nodelist *ndlp = NULL; 857 858 lpfc_set_disctmo(vport); 859 vport->num_disc_nodes = 0; 860 vport->fc_ns_retry = 0; 861 862 863 list_add_tail(&head, &mp->list); 864 list_for_each_entry_safe(mp, next_mp, &head, list) { 865 mlast = mp; 866 867 Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; 868 869 Size -= Cnt; 870 871 if (!ctptr) { 872 ctptr = (uint32_t *) mlast->virt; 873 } else 874 Cnt -= 16; /* subtract length of CT header */ 875 876 /* Loop through entire NameServer list of DIDs */ 877 while (Cnt >= sizeof(uint32_t)) { 878 /* Get next DID from NameServer List */ 879 CTentry = *ctptr++; 880 Did = ((be32_to_cpu(CTentry)) & Mask_DID); 881 lpfc_ns_rsp_audit_did(vport, Did, fc4_type); 882 if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY))) 883 goto nsout1; 884 885 Cnt -= sizeof(uint32_t); 886 } 887 ctptr = NULL; 888 889 } 890 891 /* All GID_FT entries processed. If the driver is running in 892 * in target mode, put impacted nodes into recovery and drop 893 * the RPI to flush outstanding IO. 894 */ 895 if (vport->phba->nvmet_support) { 896 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 897 if (!(ndlp->nlp_flag & NLP_NVMET_RECOV)) 898 continue; 899 lpfc_disc_state_machine(vport, ndlp, NULL, 900 NLP_EVT_DEVICE_RECOVERY); 901 spin_lock_irq(&ndlp->lock); 902 ndlp->nlp_flag &= ~NLP_NVMET_RECOV; 903 spin_unlock_irq(&ndlp->lock); 904 } 905 } 906 907 nsout1: 908 list_del(&head); 909 return 0; 910 } 911 912 static void lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 914 struct lpfc_iocbq *rspiocb) 915 { 916 struct lpfc_vport *vport = cmdiocb->vport; 917 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 918 struct lpfc_dmabuf *outp; 919 struct lpfc_dmabuf *inp; 920 struct lpfc_sli_ct_request *CTrsp; 921 struct lpfc_sli_ct_request *CTreq; 922 struct lpfc_nodelist *ndlp; 923 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 924 u32 ulp_word4 = get_job_word4(phba, rspiocb); 925 int rc, type; 926 927 /* First save ndlp, before we overwrite it */ 928 ndlp = cmdiocb->ndlp; 929 930 /* we pass cmdiocb to state machine which needs rspiocb as well */ 931 cmdiocb->rsp_iocb = rspiocb; 932 inp = cmdiocb->cmd_dmabuf; 933 outp = cmdiocb->rsp_dmabuf; 934 935 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 936 "GID_FT cmpl: status:x%x/x%x rtry:%d", 937 ulp_status, ulp_word4, vport->fc_ns_retry); 938 939 /* Ignore response if link flipped after this request was made */ 940 if (cmdiocb->event_tag != phba->fc_eventTag) { 941 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 942 "9043 Event tag mismatch. Ignoring NS rsp\n"); 943 goto out; 944 } 945 946 /* Don't bother processing response if vport is being torn down. */ 947 if (vport->load_flag & FC_UNLOADING) { 948 if (vport->fc_flag & FC_RSCN_MODE) 949 lpfc_els_flush_rscn(vport); 950 goto out; 951 } 952 953 if (lpfc_els_chk_latt(vport)) { 954 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 955 "0216 Link event during NS query\n"); 956 if (vport->fc_flag & FC_RSCN_MODE) 957 lpfc_els_flush_rscn(vport); 958 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 959 goto out; 960 } 961 if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) { 962 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 963 "0226 NS query failed due to link event: " 964 "ulp_status x%x ulp_word4 x%x fc_flag x%x " 965 "port_state x%x gidft_inp x%x\n", 966 ulp_status, ulp_word4, vport->fc_flag, 967 vport->port_state, vport->gidft_inp); 968 if (vport->fc_flag & FC_RSCN_MODE) 969 lpfc_els_flush_rscn(vport); 970 if (vport->gidft_inp) 971 vport->gidft_inp--; 972 goto out; 973 } 974 975 spin_lock_irq(shost->host_lock); 976 if (vport->fc_flag & FC_RSCN_DEFERRED) { 977 vport->fc_flag &= ~FC_RSCN_DEFERRED; 978 spin_unlock_irq(shost->host_lock); 979 980 /* This is a GID_FT completing so the gidft_inp counter was 981 * incremented before the GID_FT was issued to the wire. 982 */ 983 if (vport->gidft_inp) 984 vport->gidft_inp--; 985 986 /* 987 * Skip processing the NS response 988 * Re-issue the NS cmd 989 */ 990 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 991 "0151 Process Deferred RSCN Data: x%x x%x\n", 992 vport->fc_flag, vport->fc_rscn_id_cnt); 993 lpfc_els_handle_rscn(vport); 994 995 goto out; 996 } 997 spin_unlock_irq(shost->host_lock); 998 999 if (ulp_status) { 1000 /* Check for retry */ 1001 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { 1002 if (ulp_status != IOSTAT_LOCAL_REJECT || 1003 (ulp_word4 & IOERR_PARAM_MASK) != 1004 IOERR_NO_RESOURCES) 1005 vport->fc_ns_retry++; 1006 1007 type = lpfc_get_gidft_type(vport, cmdiocb); 1008 if (type == 0) 1009 goto out; 1010 1011 /* CT command is being retried */ 1012 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 1013 vport->fc_ns_retry, type); 1014 if (rc == 0) 1015 goto out; 1016 else { /* Unable to send NS cmd */ 1017 if (vport->gidft_inp) 1018 vport->gidft_inp--; 1019 } 1020 } 1021 if (vport->fc_flag & FC_RSCN_MODE) 1022 lpfc_els_flush_rscn(vport); 1023 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 1024 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1025 "0257 GID_FT Query error: 0x%x 0x%x\n", 1026 ulp_status, vport->fc_ns_retry); 1027 } else { 1028 /* Good status, continue checking */ 1029 CTreq = (struct lpfc_sli_ct_request *) inp->virt; 1030 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1031 if (CTrsp->CommandResponse.bits.CmdRsp == 1032 cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) { 1033 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1034 "0208 NameServer Rsp Data: x%x x%x " 1035 "x%x x%x sz x%x\n", 1036 vport->fc_flag, 1037 CTreq->un.gid.Fc4Type, 1038 vport->num_disc_nodes, 1039 vport->gidft_inp, 1040 get_job_data_placed(phba, rspiocb)); 1041 1042 lpfc_ns_rsp(vport, 1043 outp, 1044 CTreq->un.gid.Fc4Type, 1045 get_job_data_placed(phba, rspiocb)); 1046 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1047 SLI_CT_RESPONSE_FS_RJT) { 1048 /* NameServer Rsp Error */ 1049 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ) 1050 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) { 1051 lpfc_printf_vlog(vport, KERN_INFO, 1052 LOG_DISCOVERY, 1053 "0269 No NameServer Entries " 1054 "Data: x%x x%x x%x x%x\n", 1055 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1056 (uint32_t) CTrsp->ReasonCode, 1057 (uint32_t) CTrsp->Explanation, 1058 vport->fc_flag); 1059 1060 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1061 "GID_FT no entry cmd:x%x rsn:x%x exp:x%x", 1062 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1063 (uint32_t) CTrsp->ReasonCode, 1064 (uint32_t) CTrsp->Explanation); 1065 } else { 1066 lpfc_printf_vlog(vport, KERN_INFO, 1067 LOG_DISCOVERY, 1068 "0240 NameServer Rsp Error " 1069 "Data: x%x x%x x%x x%x\n", 1070 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1071 (uint32_t) CTrsp->ReasonCode, 1072 (uint32_t) CTrsp->Explanation, 1073 vport->fc_flag); 1074 1075 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1076 "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x", 1077 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1078 (uint32_t) CTrsp->ReasonCode, 1079 (uint32_t) CTrsp->Explanation); 1080 } 1081 1082 1083 } else { 1084 /* NameServer Rsp Error */ 1085 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1086 "0241 NameServer Rsp Error " 1087 "Data: x%x x%x x%x x%x\n", 1088 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1089 (uint32_t) CTrsp->ReasonCode, 1090 (uint32_t) CTrsp->Explanation, 1091 vport->fc_flag); 1092 1093 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1094 "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x", 1095 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1096 (uint32_t) CTrsp->ReasonCode, 1097 (uint32_t) CTrsp->Explanation); 1098 } 1099 if (vport->gidft_inp) 1100 vport->gidft_inp--; 1101 } 1102 1103 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1104 "4216 GID_FT cmpl inp %d disc %d\n", 1105 vport->gidft_inp, vport->num_disc_nodes); 1106 1107 /* Link up / RSCN discovery */ 1108 if ((vport->num_disc_nodes == 0) && 1109 (vport->gidft_inp == 0)) { 1110 /* 1111 * The driver has cycled through all Nports in the RSCN payload. 1112 * Complete the handling by cleaning up and marking the 1113 * current driver state. 1114 */ 1115 if (vport->port_state >= LPFC_DISC_AUTH) { 1116 if (vport->fc_flag & FC_RSCN_MODE) { 1117 lpfc_els_flush_rscn(vport); 1118 spin_lock_irq(shost->host_lock); 1119 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ 1120 spin_unlock_irq(shost->host_lock); 1121 } 1122 else 1123 lpfc_els_flush_rscn(vport); 1124 } 1125 1126 lpfc_disc_start(vport); 1127 } 1128 out: 1129 lpfc_ct_free_iocb(phba, cmdiocb); 1130 lpfc_nlp_put(ndlp); 1131 return; 1132 } 1133 1134 static void lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1135 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1136 struct lpfc_iocbq *rspiocb) 1137 { 1138 struct lpfc_vport *vport = cmdiocb->vport; 1139 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1140 struct lpfc_dmabuf *outp; 1141 struct lpfc_dmabuf *inp; 1142 struct lpfc_sli_ct_request *CTrsp; 1143 struct lpfc_sli_ct_request *CTreq; 1144 struct lpfc_nodelist *ndlp; 1145 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1146 u32 ulp_word4 = get_job_word4(phba, rspiocb); 1147 int rc; 1148 1149 /* First save ndlp, before we overwrite it */ 1150 ndlp = cmdiocb->ndlp; 1151 1152 /* we pass cmdiocb to state machine which needs rspiocb as well */ 1153 cmdiocb->rsp_iocb = rspiocb; 1154 inp = cmdiocb->cmd_dmabuf; 1155 outp = cmdiocb->rsp_dmabuf; 1156 1157 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1158 "GID_PT cmpl: status:x%x/x%x rtry:%d", 1159 ulp_status, ulp_word4, 1160 vport->fc_ns_retry); 1161 1162 /* Ignore response if link flipped after this request was made */ 1163 if (cmdiocb->event_tag != phba->fc_eventTag) { 1164 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1165 "9044 Event tag mismatch. Ignoring NS rsp\n"); 1166 goto out; 1167 } 1168 1169 /* Don't bother processing response if vport is being torn down. */ 1170 if (vport->load_flag & FC_UNLOADING) { 1171 if (vport->fc_flag & FC_RSCN_MODE) 1172 lpfc_els_flush_rscn(vport); 1173 goto out; 1174 } 1175 1176 if (lpfc_els_chk_latt(vport)) { 1177 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1178 "4108 Link event during NS query\n"); 1179 if (vport->fc_flag & FC_RSCN_MODE) 1180 lpfc_els_flush_rscn(vport); 1181 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 1182 goto out; 1183 } 1184 if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) { 1185 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1186 "4166 NS query failed due to link event: " 1187 "ulp_status x%x ulp_word4 x%x fc_flag x%x " 1188 "port_state x%x gidft_inp x%x\n", 1189 ulp_status, ulp_word4, vport->fc_flag, 1190 vport->port_state, vport->gidft_inp); 1191 if (vport->fc_flag & FC_RSCN_MODE) 1192 lpfc_els_flush_rscn(vport); 1193 if (vport->gidft_inp) 1194 vport->gidft_inp--; 1195 goto out; 1196 } 1197 1198 spin_lock_irq(shost->host_lock); 1199 if (vport->fc_flag & FC_RSCN_DEFERRED) { 1200 vport->fc_flag &= ~FC_RSCN_DEFERRED; 1201 spin_unlock_irq(shost->host_lock); 1202 1203 /* This is a GID_PT completing so the gidft_inp counter was 1204 * incremented before the GID_PT was issued to the wire. 1205 */ 1206 if (vport->gidft_inp) 1207 vport->gidft_inp--; 1208 1209 /* 1210 * Skip processing the NS response 1211 * Re-issue the NS cmd 1212 */ 1213 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, 1214 "4167 Process Deferred RSCN Data: x%x x%x\n", 1215 vport->fc_flag, vport->fc_rscn_id_cnt); 1216 lpfc_els_handle_rscn(vport); 1217 1218 goto out; 1219 } 1220 spin_unlock_irq(shost->host_lock); 1221 1222 if (ulp_status) { 1223 /* Check for retry */ 1224 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { 1225 if (ulp_status != IOSTAT_LOCAL_REJECT || 1226 (ulp_word4 & IOERR_PARAM_MASK) != 1227 IOERR_NO_RESOURCES) 1228 vport->fc_ns_retry++; 1229 1230 /* CT command is being retried */ 1231 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT, 1232 vport->fc_ns_retry, GID_PT_N_PORT); 1233 if (rc == 0) 1234 goto out; 1235 else { /* Unable to send NS cmd */ 1236 if (vport->gidft_inp) 1237 vport->gidft_inp--; 1238 } 1239 } 1240 if (vport->fc_flag & FC_RSCN_MODE) 1241 lpfc_els_flush_rscn(vport); 1242 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 1243 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1244 "4103 GID_FT Query error: 0x%x 0x%x\n", 1245 ulp_status, vport->fc_ns_retry); 1246 } else { 1247 /* Good status, continue checking */ 1248 CTreq = (struct lpfc_sli_ct_request *)inp->virt; 1249 CTrsp = (struct lpfc_sli_ct_request *)outp->virt; 1250 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1251 SLI_CT_RESPONSE_FS_ACC) { 1252 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1253 "4105 NameServer Rsp Data: x%x x%x " 1254 "x%x x%x sz x%x\n", 1255 vport->fc_flag, 1256 CTreq->un.gid.Fc4Type, 1257 vport->num_disc_nodes, 1258 vport->gidft_inp, 1259 get_job_data_placed(phba, rspiocb)); 1260 1261 lpfc_ns_rsp(vport, 1262 outp, 1263 CTreq->un.gid.Fc4Type, 1264 get_job_data_placed(phba, rspiocb)); 1265 } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1266 SLI_CT_RESPONSE_FS_RJT) { 1267 /* NameServer Rsp Error */ 1268 if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ) 1269 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) { 1270 lpfc_printf_vlog( 1271 vport, KERN_INFO, LOG_DISCOVERY, 1272 "4106 No NameServer Entries " 1273 "Data: x%x x%x x%x x%x\n", 1274 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1275 (uint32_t)CTrsp->ReasonCode, 1276 (uint32_t)CTrsp->Explanation, 1277 vport->fc_flag); 1278 1279 lpfc_debugfs_disc_trc( 1280 vport, LPFC_DISC_TRC_CT, 1281 "GID_PT no entry cmd:x%x rsn:x%x exp:x%x", 1282 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1283 (uint32_t)CTrsp->ReasonCode, 1284 (uint32_t)CTrsp->Explanation); 1285 } else { 1286 lpfc_printf_vlog( 1287 vport, KERN_INFO, LOG_DISCOVERY, 1288 "4107 NameServer Rsp Error " 1289 "Data: x%x x%x x%x x%x\n", 1290 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1291 (uint32_t)CTrsp->ReasonCode, 1292 (uint32_t)CTrsp->Explanation, 1293 vport->fc_flag); 1294 1295 lpfc_debugfs_disc_trc( 1296 vport, LPFC_DISC_TRC_CT, 1297 "GID_PT rsp err1 cmd:x%x rsn:x%x exp:x%x", 1298 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1299 (uint32_t)CTrsp->ReasonCode, 1300 (uint32_t)CTrsp->Explanation); 1301 } 1302 } else { 1303 /* NameServer Rsp Error */ 1304 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1305 "4109 NameServer Rsp Error " 1306 "Data: x%x x%x x%x x%x\n", 1307 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1308 (uint32_t)CTrsp->ReasonCode, 1309 (uint32_t)CTrsp->Explanation, 1310 vport->fc_flag); 1311 1312 lpfc_debugfs_disc_trc( 1313 vport, LPFC_DISC_TRC_CT, 1314 "GID_PT rsp err2 cmd:x%x rsn:x%x exp:x%x", 1315 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1316 (uint32_t)CTrsp->ReasonCode, 1317 (uint32_t)CTrsp->Explanation); 1318 } 1319 if (vport->gidft_inp) 1320 vport->gidft_inp--; 1321 } 1322 1323 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1324 "6450 GID_PT cmpl inp %d disc %d\n", 1325 vport->gidft_inp, vport->num_disc_nodes); 1326 1327 /* Link up / RSCN discovery */ 1328 if ((vport->num_disc_nodes == 0) && 1329 (vport->gidft_inp == 0)) { 1330 /* 1331 * The driver has cycled through all Nports in the RSCN payload. 1332 * Complete the handling by cleaning up and marking the 1333 * current driver state. 1334 */ 1335 if (vport->port_state >= LPFC_DISC_AUTH) { 1336 if (vport->fc_flag & FC_RSCN_MODE) { 1337 lpfc_els_flush_rscn(vport); 1338 spin_lock_irq(shost->host_lock); 1339 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ 1340 spin_unlock_irq(shost->host_lock); 1341 } else { 1342 lpfc_els_flush_rscn(vport); 1343 } 1344 } 1345 1346 lpfc_disc_start(vport); 1347 } 1348 out: 1349 lpfc_ct_free_iocb(phba, cmdiocb); 1350 lpfc_nlp_put(ndlp); 1351 } 1352 1353 static void lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1354 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1355 struct lpfc_iocbq *rspiocb) 1356 { 1357 struct lpfc_vport *vport = cmdiocb->vport; 1358 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1359 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; 1360 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; 1361 struct lpfc_sli_ct_request *CTrsp; 1362 int did, rc, retry; 1363 uint8_t fbits; 1364 struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL; 1365 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1366 u32 ulp_word4 = get_job_word4(phba, rspiocb); 1367 1368 did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId; 1369 did = be32_to_cpu(did); 1370 1371 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1372 "GFF_ID cmpl: status:x%x/x%x did:x%x", 1373 ulp_status, ulp_word4, did); 1374 1375 /* Ignore response if link flipped after this request was made */ 1376 if (cmdiocb->event_tag != phba->fc_eventTag) { 1377 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1378 "9045 Event tag mismatch. Ignoring NS rsp\n"); 1379 goto iocb_free; 1380 } 1381 1382 if (ulp_status == IOSTAT_SUCCESS) { 1383 /* Good status, continue checking */ 1384 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1385 fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET]; 1386 1387 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1388 "6431 Process GFF_ID rsp for %08x " 1389 "fbits %02x %s %s\n", 1390 did, fbits, 1391 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ", 1392 (fbits & FC4_FEATURE_TARGET) ? "Target" : " "); 1393 1394 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1395 SLI_CT_RESPONSE_FS_ACC) { 1396 if ((fbits & FC4_FEATURE_INIT) && 1397 !(fbits & FC4_FEATURE_TARGET)) { 1398 lpfc_printf_vlog(vport, KERN_INFO, 1399 LOG_DISCOVERY, 1400 "0270 Skip x%x GFF " 1401 "NameServer Rsp Data: (init) " 1402 "x%x x%x\n", did, fbits, 1403 vport->fc_rscn_id_cnt); 1404 goto out; 1405 } 1406 } 1407 } 1408 else { 1409 /* Check for retry */ 1410 if (cmdiocb->retry < LPFC_MAX_NS_RETRY) { 1411 retry = 1; 1412 if (ulp_status == IOSTAT_LOCAL_REJECT) { 1413 switch ((ulp_word4 & 1414 IOERR_PARAM_MASK)) { 1415 1416 case IOERR_NO_RESOURCES: 1417 /* We don't increment the retry 1418 * count for this case. 1419 */ 1420 break; 1421 case IOERR_LINK_DOWN: 1422 case IOERR_SLI_ABORTED: 1423 case IOERR_SLI_DOWN: 1424 retry = 0; 1425 break; 1426 default: 1427 cmdiocb->retry++; 1428 } 1429 } 1430 else 1431 cmdiocb->retry++; 1432 1433 if (retry) { 1434 /* CT command is being retried */ 1435 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, 1436 cmdiocb->retry, did); 1437 if (rc == 0) { 1438 /* success */ 1439 free_ndlp = cmdiocb->ndlp; 1440 lpfc_ct_free_iocb(phba, cmdiocb); 1441 lpfc_nlp_put(free_ndlp); 1442 return; 1443 } 1444 } 1445 } 1446 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1447 "0267 NameServer GFF Rsp " 1448 "x%x Error (%d %d) Data: x%x x%x\n", 1449 did, ulp_status, ulp_word4, 1450 vport->fc_flag, vport->fc_rscn_id_cnt); 1451 } 1452 1453 /* This is a target port, unregistered port, or the GFF_ID failed */ 1454 ndlp = lpfc_setup_disc_node(vport, did); 1455 if (ndlp) { 1456 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1457 "0242 Process x%x GFF " 1458 "NameServer Rsp Data: x%x x%x x%x\n", 1459 did, ndlp->nlp_flag, vport->fc_flag, 1460 vport->fc_rscn_id_cnt); 1461 } else { 1462 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1463 "0243 Skip x%x GFF " 1464 "NameServer Rsp Data: x%x x%x\n", did, 1465 vport->fc_flag, vport->fc_rscn_id_cnt); 1466 } 1467 out: 1468 /* Link up / RSCN discovery */ 1469 if (vport->num_disc_nodes) 1470 vport->num_disc_nodes--; 1471 1472 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1473 "6451 GFF_ID cmpl inp %d disc %d\n", 1474 vport->gidft_inp, vport->num_disc_nodes); 1475 1476 if (vport->num_disc_nodes == 0) { 1477 /* 1478 * The driver has cycled through all Nports in the RSCN payload. 1479 * Complete the handling by cleaning up and marking the 1480 * current driver state. 1481 */ 1482 if (vport->port_state >= LPFC_DISC_AUTH) { 1483 if (vport->fc_flag & FC_RSCN_MODE) { 1484 lpfc_els_flush_rscn(vport); 1485 spin_lock_irq(shost->host_lock); 1486 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ 1487 spin_unlock_irq(shost->host_lock); 1488 } 1489 else 1490 lpfc_els_flush_rscn(vport); 1491 } 1492 lpfc_disc_start(vport); 1493 } 1494 1495 iocb_free: 1496 free_ndlp = cmdiocb->ndlp; 1497 lpfc_ct_free_iocb(phba, cmdiocb); 1498 lpfc_nlp_put(free_ndlp); 1499 return; 1500 } 1501 1502 static void lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1503 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1504 struct lpfc_iocbq *rspiocb) 1505 { 1506 struct lpfc_vport *vport = cmdiocb->vport; 1507 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; 1508 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; 1509 struct lpfc_sli_ct_request *CTrsp; 1510 int did; 1511 struct lpfc_nodelist *ndlp = NULL; 1512 struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp; 1513 uint32_t fc4_data_0, fc4_data_1; 1514 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1515 u32 ulp_word4 = get_job_word4(phba, rspiocb); 1516 1517 did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId; 1518 did = be32_to_cpu(did); 1519 1520 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1521 "GFT_ID cmpl: status:x%x/x%x did:x%x", 1522 ulp_status, ulp_word4, did); 1523 1524 /* Ignore response if link flipped after this request was made */ 1525 if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) { 1526 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1527 "9046 Event tag mismatch. Ignoring NS rsp\n"); 1528 goto out; 1529 } 1530 1531 if (ulp_status == IOSTAT_SUCCESS) { 1532 /* Good status, continue checking */ 1533 CTrsp = (struct lpfc_sli_ct_request *)outp->virt; 1534 fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]); 1535 fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]); 1536 1537 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1538 "6432 Process GFT_ID rsp for %08x " 1539 "Data %08x %08x %s %s\n", 1540 did, fc4_data_0, fc4_data_1, 1541 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ? 1542 "FCP" : " ", 1543 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ? 1544 "NVME" : " "); 1545 1546 /* Lookup the NPort_ID queried in the GFT_ID and find the 1547 * driver's local node. It's an error if the driver 1548 * doesn't have one. 1549 */ 1550 ndlp = lpfc_findnode_did(vport, did); 1551 if (ndlp) { 1552 /* The bitmask value for FCP and NVME FCP types is 1553 * the same because they are 32 bits distant from 1554 * each other in word0 and word0. 1555 */ 1556 if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) 1557 ndlp->nlp_fc4_type |= NLP_FC4_FCP; 1558 if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) 1559 ndlp->nlp_fc4_type |= NLP_FC4_NVME; 1560 lpfc_printf_vlog(vport, KERN_INFO, 1561 LOG_DISCOVERY | LOG_NODE, 1562 "3064 Setting ndlp x%px, DID x%06x " 1563 "with FC4 x%08x, Data: x%08x x%08x " 1564 "%d\n", 1565 ndlp, did, ndlp->nlp_fc4_type, 1566 FC_TYPE_FCP, FC_TYPE_NVME, 1567 ndlp->nlp_state); 1568 1569 if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE && 1570 ndlp->nlp_fc4_type) { 1571 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1572 /* This is a fabric topology so if discovery 1573 * started with an unsolicited PLOGI, don't 1574 * send a PRLI. Targets don't issue PLOGI or 1575 * PRLI when acting as a target. Likely this is 1576 * an initiator function. 1577 */ 1578 if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { 1579 lpfc_nlp_set_state(vport, ndlp, 1580 NLP_STE_PRLI_ISSUE); 1581 lpfc_issue_els_prli(vport, ndlp, 0); 1582 } 1583 } else if (!ndlp->nlp_fc4_type) { 1584 /* If fc4 type is still unknown, then LOGO */ 1585 lpfc_printf_vlog(vport, KERN_INFO, 1586 LOG_DISCOVERY | LOG_NODE, 1587 "6443 Sending LOGO ndlp x%px," 1588 "DID x%06x with fc4_type: " 1589 "x%08x, state: %d\n", 1590 ndlp, did, ndlp->nlp_fc4_type, 1591 ndlp->nlp_state); 1592 lpfc_issue_els_logo(vport, ndlp, 0); 1593 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; 1594 lpfc_nlp_set_state(vport, ndlp, 1595 NLP_STE_NPR_NODE); 1596 } 1597 } 1598 } else 1599 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1600 "3065 GFT_ID failed x%08x\n", ulp_status); 1601 1602 out: 1603 lpfc_ct_free_iocb(phba, cmdiocb); 1604 lpfc_nlp_put(ns_ndlp); 1605 } 1606 1607 static void lpfc_cmpl_ct(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1608 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1609 struct lpfc_iocbq *rspiocb) 1610 { 1611 struct lpfc_vport *vport = cmdiocb->vport; 1612 struct lpfc_dmabuf *inp; 1613 struct lpfc_dmabuf *outp; 1614 struct lpfc_sli_ct_request *CTrsp; 1615 struct lpfc_nodelist *ndlp; 1616 int cmdcode, rc; 1617 uint8_t retry; 1618 uint32_t latt; 1619 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1620 u32 ulp_word4 = get_job_word4(phba, rspiocb); 1621 1622 /* First save ndlp, before we overwrite it */ 1623 ndlp = cmdiocb->ndlp; 1624 1625 /* we pass cmdiocb to state machine which needs rspiocb as well */ 1626 cmdiocb->rsp_iocb = rspiocb; 1627 1628 inp = cmdiocb->cmd_dmabuf; 1629 outp = cmdiocb->rsp_dmabuf; 1630 1631 cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)-> 1632 CommandResponse.bits.CmdRsp); 1633 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1634 1635 latt = lpfc_els_chk_latt(vport); 1636 1637 /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */ 1638 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1639 "0209 CT Request completes, latt %d, " 1640 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n", 1641 latt, ulp_status, 1642 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), 1643 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag); 1644 1645 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1646 "CT cmd cmpl: status:x%x/x%x cmd:x%x", 1647 ulp_status, ulp_word4, cmdcode); 1648 1649 if (ulp_status) { 1650 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 1651 "0268 NS cmd x%x Error (x%x x%x)\n", 1652 cmdcode, ulp_status, ulp_word4); 1653 1654 if (ulp_status == IOSTAT_LOCAL_REJECT && 1655 (((ulp_word4 & IOERR_PARAM_MASK) == 1656 IOERR_SLI_DOWN) || 1657 ((ulp_word4 & IOERR_PARAM_MASK) == 1658 IOERR_SLI_ABORTED))) 1659 goto out; 1660 1661 retry = cmdiocb->retry; 1662 if (retry >= LPFC_MAX_NS_RETRY) 1663 goto out; 1664 1665 retry++; 1666 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1667 "0250 Retrying NS cmd %x\n", cmdcode); 1668 rc = lpfc_ns_cmd(vport, cmdcode, retry, 0); 1669 if (rc == 0) 1670 goto out; 1671 } 1672 1673 out: 1674 /* If the caller wanted a synchronous DA_ID completion, signal the 1675 * wait obj and clear flag to reset the vport. 1676 */ 1677 if (ndlp->save_flags & NLP_WAIT_FOR_DA_ID) { 1678 if (ndlp->da_id_waitq) 1679 wake_up(ndlp->da_id_waitq); 1680 } 1681 1682 spin_lock_irq(&ndlp->lock); 1683 ndlp->save_flags &= ~NLP_WAIT_FOR_DA_ID; 1684 spin_unlock_irq(&ndlp->lock); 1685 1686 lpfc_ct_free_iocb(phba, cmdiocb); 1687 lpfc_nlp_put(ndlp); 1688 return; 1689 } 1690 1691 static void lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1692 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1693 struct lpfc_iocbq *rspiocb) 1694 { 1695 struct lpfc_vport *vport = cmdiocb->vport; 1696 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1697 1698 if (ulp_status == IOSTAT_SUCCESS) { 1699 struct lpfc_dmabuf *outp; 1700 struct lpfc_sli_ct_request *CTrsp; 1701 1702 outp = cmdiocb->rsp_dmabuf; 1703 CTrsp = (struct lpfc_sli_ct_request *)outp->virt; 1704 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1705 SLI_CT_RESPONSE_FS_ACC) 1706 vport->ct_flags |= FC_CT_RFT_ID; 1707 } 1708 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1709 return; 1710 } 1711 1712 static void lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1713 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1714 struct lpfc_iocbq *rspiocb) 1715 { 1716 struct lpfc_vport *vport = cmdiocb->vport; 1717 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1718 1719 if (ulp_status == IOSTAT_SUCCESS) { 1720 struct lpfc_dmabuf *outp; 1721 struct lpfc_sli_ct_request *CTrsp; 1722 1723 outp = cmdiocb->rsp_dmabuf; 1724 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1725 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1726 SLI_CT_RESPONSE_FS_ACC) 1727 vport->ct_flags |= FC_CT_RNN_ID; 1728 } 1729 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1730 return; 1731 } 1732 1733 static void lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1734 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1735 struct lpfc_iocbq *rspiocb) 1736 { 1737 struct lpfc_vport *vport = cmdiocb->vport; 1738 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1739 1740 if (ulp_status == IOSTAT_SUCCESS) { 1741 struct lpfc_dmabuf *outp; 1742 struct lpfc_sli_ct_request *CTrsp; 1743 1744 outp = cmdiocb->rsp_dmabuf; 1745 CTrsp = (struct lpfc_sli_ct_request *)outp->virt; 1746 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1747 SLI_CT_RESPONSE_FS_ACC) 1748 vport->ct_flags |= FC_CT_RSPN_ID; 1749 } 1750 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1751 return; 1752 } 1753 1754 static void lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1755 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1756 struct lpfc_iocbq *rspiocb) 1757 { 1758 struct lpfc_vport *vport = cmdiocb->vport; 1759 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1760 1761 if (ulp_status == IOSTAT_SUCCESS) { 1762 struct lpfc_dmabuf *outp; 1763 struct lpfc_sli_ct_request *CTrsp; 1764 1765 outp = cmdiocb->rsp_dmabuf; 1766 CTrsp = (struct lpfc_sli_ct_request *) outp->virt; 1767 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1768 SLI_CT_RESPONSE_FS_ACC) 1769 vport->ct_flags |= FC_CT_RSNN_NN; 1770 } 1771 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1772 return; 1773 } 1774 1775 static void lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1776 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1777 struct lpfc_iocbq *rspiocb) 1778 { 1779 struct lpfc_vport *vport = cmdiocb->vport; 1780 1781 /* even if it fails we will act as though it succeeded. */ 1782 vport->ct_flags = 0; 1783 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1784 return; 1785 } 1786 1787 static void lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)1788 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 1789 struct lpfc_iocbq *rspiocb) 1790 { 1791 struct lpfc_vport *vport = cmdiocb->vport; 1792 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 1793 1794 if (ulp_status == IOSTAT_SUCCESS) { 1795 struct lpfc_dmabuf *outp; 1796 struct lpfc_sli_ct_request *CTrsp; 1797 1798 outp = cmdiocb->rsp_dmabuf; 1799 CTrsp = (struct lpfc_sli_ct_request *)outp->virt; 1800 if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == 1801 SLI_CT_RESPONSE_FS_ACC) 1802 vport->ct_flags |= FC_CT_RFF_ID; 1803 } 1804 lpfc_cmpl_ct(phba, cmdiocb, rspiocb); 1805 return; 1806 } 1807 1808 /* 1809 * Although the symbolic port name is thought to be an integer 1810 * as of January 18, 2016, leave it as a string until more of 1811 * the record state becomes defined. 1812 */ 1813 int lpfc_vport_symbolic_port_name(struct lpfc_vport * vport,char * symbol,size_t size)1814 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol, 1815 size_t size) 1816 { 1817 int n; 1818 1819 /* 1820 * Use the lpfc board number as the Symbolic Port 1821 * Name object. NPIV is not in play so this integer 1822 * value is sufficient and unique per FC-ID. 1823 */ 1824 n = scnprintf(symbol, size, "%d", vport->phba->brd_no); 1825 return n; 1826 } 1827 1828 1829 int lpfc_vport_symbolic_node_name(struct lpfc_vport * vport,char * symbol,size_t size)1830 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, 1831 size_t size) 1832 { 1833 char fwrev[FW_REV_STR_SIZE] = {0}; 1834 char tmp[MAXHOSTNAMELEN] = {0}; 1835 1836 memset(symbol, 0, size); 1837 1838 scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName); 1839 if (strlcat(symbol, tmp, size) >= size) 1840 goto buffer_done; 1841 1842 lpfc_decode_firmware_rev(vport->phba, fwrev, 0); 1843 scnprintf(tmp, sizeof(tmp), " FV%s", fwrev); 1844 if (strlcat(symbol, tmp, size) >= size) 1845 goto buffer_done; 1846 1847 scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version); 1848 if (strlcat(symbol, tmp, size) >= size) 1849 goto buffer_done; 1850 1851 scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name); 1852 if (strlcat(symbol, tmp, size) >= size) 1853 goto buffer_done; 1854 1855 /* Note :- OS name is "Linux" */ 1856 scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname); 1857 strlcat(symbol, tmp, size); 1858 1859 buffer_done: 1860 return strnlen(symbol, size); 1861 1862 } 1863 1864 static uint32_t lpfc_find_map_node(struct lpfc_vport * vport)1865 lpfc_find_map_node(struct lpfc_vport *vport) 1866 { 1867 struct lpfc_nodelist *ndlp, *next_ndlp; 1868 struct Scsi_Host *shost; 1869 uint32_t cnt = 0; 1870 1871 shost = lpfc_shost_from_vport(vport); 1872 spin_lock_irq(shost->host_lock); 1873 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 1874 if (ndlp->nlp_type & NLP_FABRIC) 1875 continue; 1876 if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) || 1877 (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)) 1878 cnt++; 1879 } 1880 spin_unlock_irq(shost->host_lock); 1881 return cnt; 1882 } 1883 1884 /* 1885 * This routine will return the FC4 Type associated with the CT 1886 * GID_FT command. 1887 */ 1888 int lpfc_get_gidft_type(struct lpfc_vport * vport,struct lpfc_iocbq * cmdiocb)1889 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb) 1890 { 1891 struct lpfc_sli_ct_request *CtReq; 1892 struct lpfc_dmabuf *mp; 1893 uint32_t type; 1894 1895 mp = cmdiocb->cmd_dmabuf; 1896 if (mp == NULL) 1897 return 0; 1898 CtReq = (struct lpfc_sli_ct_request *)mp->virt; 1899 type = (uint32_t)CtReq->un.gid.Fc4Type; 1900 if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME)) 1901 return 0; 1902 return type; 1903 } 1904 1905 /* 1906 * lpfc_ns_cmd 1907 * Description: 1908 * Issue Cmd to NameServer 1909 * SLI_CTNS_GID_FT 1910 * LI_CTNS_RFT_ID 1911 */ 1912 int lpfc_ns_cmd(struct lpfc_vport * vport,int cmdcode,uint8_t retry,uint32_t context)1913 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, 1914 uint8_t retry, uint32_t context) 1915 { 1916 struct lpfc_nodelist * ndlp; 1917 struct lpfc_hba *phba = vport->phba; 1918 struct lpfc_dmabuf *mp, *bmp; 1919 struct lpfc_sli_ct_request *CtReq; 1920 struct ulp_bde64 *bpl; 1921 void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, 1922 struct lpfc_iocbq *) = NULL; 1923 uint32_t *ptr; 1924 uint32_t rsp_size = 1024; 1925 size_t size; 1926 int rc = 0; 1927 1928 ndlp = lpfc_findnode_did(vport, NameServer_DID); 1929 if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) { 1930 rc=1; 1931 goto ns_cmd_exit; 1932 } 1933 1934 /* fill in BDEs for command */ 1935 /* Allocate buffer for command payload */ 1936 mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 1937 if (!mp) { 1938 rc=2; 1939 goto ns_cmd_exit; 1940 } 1941 1942 INIT_LIST_HEAD(&mp->list); 1943 mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); 1944 if (!mp->virt) { 1945 rc=3; 1946 goto ns_cmd_free_mp; 1947 } 1948 1949 /* Allocate buffer for Buffer ptr list */ 1950 bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 1951 if (!bmp) { 1952 rc=4; 1953 goto ns_cmd_free_mpvirt; 1954 } 1955 1956 INIT_LIST_HEAD(&bmp->list); 1957 bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys)); 1958 if (!bmp->virt) { 1959 rc=5; 1960 goto ns_cmd_free_bmp; 1961 } 1962 1963 /* NameServer Req */ 1964 lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY, 1965 "0236 NameServer Req Data: x%x x%x x%x x%x\n", 1966 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt, 1967 context); 1968 1969 bpl = (struct ulp_bde64 *) bmp->virt; 1970 memset(bpl, 0, sizeof(struct ulp_bde64)); 1971 bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); 1972 bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); 1973 bpl->tus.f.bdeFlags = 0; 1974 if (cmdcode == SLI_CTNS_GID_FT) 1975 bpl->tus.f.bdeSize = GID_REQUEST_SZ; 1976 else if (cmdcode == SLI_CTNS_GID_PT) 1977 bpl->tus.f.bdeSize = GID_REQUEST_SZ; 1978 else if (cmdcode == SLI_CTNS_GFF_ID) 1979 bpl->tus.f.bdeSize = GFF_REQUEST_SZ; 1980 else if (cmdcode == SLI_CTNS_GFT_ID) 1981 bpl->tus.f.bdeSize = GFT_REQUEST_SZ; 1982 else if (cmdcode == SLI_CTNS_RFT_ID) 1983 bpl->tus.f.bdeSize = RFT_REQUEST_SZ; 1984 else if (cmdcode == SLI_CTNS_RNN_ID) 1985 bpl->tus.f.bdeSize = RNN_REQUEST_SZ; 1986 else if (cmdcode == SLI_CTNS_RSPN_ID) 1987 bpl->tus.f.bdeSize = RSPN_REQUEST_SZ; 1988 else if (cmdcode == SLI_CTNS_RSNN_NN) 1989 bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; 1990 else if (cmdcode == SLI_CTNS_DA_ID) 1991 bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ; 1992 else if (cmdcode == SLI_CTNS_RFF_ID) 1993 bpl->tus.f.bdeSize = RFF_REQUEST_SZ; 1994 else 1995 bpl->tus.f.bdeSize = 0; 1996 bpl->tus.w = le32_to_cpu(bpl->tus.w); 1997 1998 CtReq = (struct lpfc_sli_ct_request *) mp->virt; 1999 memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request)); 2000 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; 2001 CtReq->RevisionId.bits.InId = 0; 2002 CtReq->FsType = SLI_CT_DIRECTORY_SERVICE; 2003 CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER; 2004 CtReq->CommandResponse.bits.Size = 0; 2005 switch (cmdcode) { 2006 case SLI_CTNS_GID_FT: 2007 CtReq->CommandResponse.bits.CmdRsp = 2008 cpu_to_be16(SLI_CTNS_GID_FT); 2009 CtReq->un.gid.Fc4Type = context; 2010 2011 if (vport->port_state < LPFC_NS_QRY) 2012 vport->port_state = LPFC_NS_QRY; 2013 lpfc_set_disctmo(vport); 2014 cmpl = lpfc_cmpl_ct_cmd_gid_ft; 2015 rsp_size = FC_MAX_NS_RSP; 2016 break; 2017 2018 case SLI_CTNS_GID_PT: 2019 CtReq->CommandResponse.bits.CmdRsp = 2020 cpu_to_be16(SLI_CTNS_GID_PT); 2021 CtReq->un.gid.PortType = context; 2022 2023 if (vport->port_state < LPFC_NS_QRY) 2024 vport->port_state = LPFC_NS_QRY; 2025 lpfc_set_disctmo(vport); 2026 cmpl = lpfc_cmpl_ct_cmd_gid_pt; 2027 rsp_size = FC_MAX_NS_RSP; 2028 break; 2029 2030 case SLI_CTNS_GFF_ID: 2031 CtReq->CommandResponse.bits.CmdRsp = 2032 cpu_to_be16(SLI_CTNS_GFF_ID); 2033 CtReq->un.gff.PortId = cpu_to_be32(context); 2034 cmpl = lpfc_cmpl_ct_cmd_gff_id; 2035 break; 2036 2037 case SLI_CTNS_GFT_ID: 2038 CtReq->CommandResponse.bits.CmdRsp = 2039 cpu_to_be16(SLI_CTNS_GFT_ID); 2040 CtReq->un.gft.PortId = cpu_to_be32(context); 2041 cmpl = lpfc_cmpl_ct_cmd_gft_id; 2042 break; 2043 2044 case SLI_CTNS_RFT_ID: 2045 vport->ct_flags &= ~FC_CT_RFT_ID; 2046 CtReq->CommandResponse.bits.CmdRsp = 2047 cpu_to_be16(SLI_CTNS_RFT_ID); 2048 CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID); 2049 2050 /* Register Application Services type if vmid enabled. */ 2051 if (phba->cfg_vmid_app_header) 2052 CtReq->un.rft.app_serv_reg = 2053 cpu_to_be32(RFT_APP_SERV_REG); 2054 2055 /* Register FC4 FCP type if enabled. */ 2056 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || 2057 vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP) 2058 CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG); 2059 2060 /* Register NVME type if enabled. */ 2061 if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || 2062 vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME) 2063 CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG); 2064 2065 ptr = (uint32_t *)CtReq; 2066 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 2067 "6433 Issue RFT (%s %s %s): %08x %08x %08x " 2068 "%08x %08x %08x %08x %08x\n", 2069 CtReq->un.rft.fcp_reg ? "FCP" : " ", 2070 CtReq->un.rft.nvme_reg ? "NVME" : " ", 2071 CtReq->un.rft.app_serv_reg ? "APPS" : " ", 2072 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3), 2073 *(ptr + 4), *(ptr + 5), 2074 *(ptr + 6), *(ptr + 7)); 2075 cmpl = lpfc_cmpl_ct_cmd_rft_id; 2076 break; 2077 2078 case SLI_CTNS_RNN_ID: 2079 vport->ct_flags &= ~FC_CT_RNN_ID; 2080 CtReq->CommandResponse.bits.CmdRsp = 2081 cpu_to_be16(SLI_CTNS_RNN_ID); 2082 CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID); 2083 memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename, 2084 sizeof(struct lpfc_name)); 2085 cmpl = lpfc_cmpl_ct_cmd_rnn_id; 2086 break; 2087 2088 case SLI_CTNS_RSPN_ID: 2089 vport->ct_flags &= ~FC_CT_RSPN_ID; 2090 CtReq->CommandResponse.bits.CmdRsp = 2091 cpu_to_be16(SLI_CTNS_RSPN_ID); 2092 CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID); 2093 size = sizeof(CtReq->un.rspn.symbname); 2094 CtReq->un.rspn.len = 2095 lpfc_vport_symbolic_port_name(vport, 2096 CtReq->un.rspn.symbname, size); 2097 cmpl = lpfc_cmpl_ct_cmd_rspn_id; 2098 break; 2099 case SLI_CTNS_RSNN_NN: 2100 vport->ct_flags &= ~FC_CT_RSNN_NN; 2101 CtReq->CommandResponse.bits.CmdRsp = 2102 cpu_to_be16(SLI_CTNS_RSNN_NN); 2103 memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename, 2104 sizeof(struct lpfc_name)); 2105 size = sizeof(CtReq->un.rsnn.symbname); 2106 CtReq->un.rsnn.len = 2107 lpfc_vport_symbolic_node_name(vport, 2108 CtReq->un.rsnn.symbname, size); 2109 cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; 2110 break; 2111 case SLI_CTNS_DA_ID: 2112 /* Implement DA_ID Nameserver request */ 2113 CtReq->CommandResponse.bits.CmdRsp = 2114 cpu_to_be16(SLI_CTNS_DA_ID); 2115 CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID); 2116 cmpl = lpfc_cmpl_ct_cmd_da_id; 2117 break; 2118 case SLI_CTNS_RFF_ID: 2119 vport->ct_flags &= ~FC_CT_RFF_ID; 2120 CtReq->CommandResponse.bits.CmdRsp = 2121 cpu_to_be16(SLI_CTNS_RFF_ID); 2122 CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID); 2123 CtReq->un.rff.fbits = FC4_FEATURE_INIT; 2124 2125 /* The driver always supports FC_TYPE_FCP. However, the 2126 * caller can specify NVME (type x28) as well. But only 2127 * these that FC4 type is supported. 2128 */ 2129 if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || 2130 (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) && 2131 (context == FC_TYPE_NVME)) { 2132 if ((vport == phba->pport) && phba->nvmet_support) { 2133 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET | 2134 FC4_FEATURE_NVME_DISC); 2135 lpfc_nvmet_update_targetport(phba); 2136 } else { 2137 lpfc_nvme_update_localport(vport); 2138 } 2139 CtReq->un.rff.type_code = context; 2140 2141 } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || 2142 (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) && 2143 (context == FC_TYPE_FCP)) 2144 CtReq->un.rff.type_code = context; 2145 2146 else 2147 goto ns_cmd_free_bmpvirt; 2148 2149 ptr = (uint32_t *)CtReq; 2150 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 2151 "6434 Issue RFF (%s): %08x %08x %08x %08x " 2152 "%08x %08x %08x %08x\n", 2153 (context == FC_TYPE_NVME) ? "NVME" : "FCP", 2154 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3), 2155 *(ptr + 4), *(ptr + 5), 2156 *(ptr + 6), *(ptr + 7)); 2157 cmpl = lpfc_cmpl_ct_cmd_rff_id; 2158 break; 2159 } 2160 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count 2161 * to hold ndlp reference for the corresponding callback function. 2162 */ 2163 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) { 2164 /* On success, The cmpl function will free the buffers */ 2165 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 2166 "Issue CT cmd: cmd:x%x did:x%x", 2167 cmdcode, ndlp->nlp_DID, 0); 2168 return 0; 2169 } 2170 rc=6; 2171 2172 ns_cmd_free_bmpvirt: 2173 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 2174 ns_cmd_free_bmp: 2175 kfree(bmp); 2176 ns_cmd_free_mpvirt: 2177 lpfc_mbuf_free(phba, mp->virt, mp->phys); 2178 ns_cmd_free_mp: 2179 kfree(mp); 2180 ns_cmd_exit: 2181 lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, 2182 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n", 2183 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt); 2184 return 1; 2185 } 2186 2187 /** 2188 * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands 2189 * @phba: Pointer to HBA context object. 2190 * @mask: Initial port attributes mask 2191 * 2192 * This function checks to see if any vports have deferred their FDMI RPRT. 2193 * A vports RPRT may be deferred if it is issued before the primary ports 2194 * RHBA completes. 2195 */ 2196 static void lpfc_fdmi_rprt_defer(struct lpfc_hba * phba,uint32_t mask)2197 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask) 2198 { 2199 struct lpfc_vport **vports; 2200 struct lpfc_vport *vport; 2201 struct lpfc_nodelist *ndlp; 2202 int i; 2203 2204 phba->hba_flag |= HBA_RHBA_CMPL; 2205 vports = lpfc_create_vport_work_array(phba); 2206 if (vports) { 2207 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { 2208 vport = vports[i]; 2209 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 2210 if (!ndlp) 2211 continue; 2212 if (vport->ct_flags & FC_CT_RPRT_DEFER) { 2213 vport->ct_flags &= ~FC_CT_RPRT_DEFER; 2214 vport->fdmi_port_mask = mask; 2215 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0); 2216 } 2217 } 2218 } 2219 lpfc_destroy_vport_work_array(phba, vports); 2220 } 2221 2222 /** 2223 * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion 2224 * @phba: Pointer to HBA context object. 2225 * @cmdiocb: Pointer to the command IOCBQ. 2226 * @rspiocb: Pointer to the response IOCBQ. 2227 * 2228 * This function to handle the completion of a driver initiated FDMI 2229 * CT command issued during discovery. 2230 */ 2231 static void lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)2232 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 2233 struct lpfc_iocbq *rspiocb) 2234 { 2235 struct lpfc_vport *vport = cmdiocb->vport; 2236 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; 2237 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; 2238 struct lpfc_sli_ct_request *CTcmd = inp->virt; 2239 struct lpfc_sli_ct_request *CTrsp = outp->virt; 2240 __be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; 2241 __be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; 2242 struct lpfc_nodelist *ndlp, *free_ndlp = NULL; 2243 uint32_t latt, cmd, err; 2244 u32 ulp_status = get_job_ulpstatus(phba, rspiocb); 2245 u32 ulp_word4 = get_job_word4(phba, rspiocb); 2246 2247 latt = lpfc_els_chk_latt(vport); 2248 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 2249 "FDMI cmpl: status:x%x/x%x latt:%d", 2250 ulp_status, ulp_word4, latt); 2251 2252 if (latt || ulp_status) { 2253 2254 /* Look for a retryable error */ 2255 if (ulp_status == IOSTAT_LOCAL_REJECT) { 2256 switch ((ulp_word4 & IOERR_PARAM_MASK)) { 2257 case IOERR_SLI_ABORTED: 2258 case IOERR_SLI_DOWN: 2259 /* Driver aborted this IO. No retry as error 2260 * is likely Offline->Online or some adapter 2261 * error. Recovery will try again. 2262 */ 2263 break; 2264 case IOERR_ABORT_IN_PROGRESS: 2265 case IOERR_SEQUENCE_TIMEOUT: 2266 case IOERR_ILLEGAL_FRAME: 2267 case IOERR_NO_RESOURCES: 2268 case IOERR_ILLEGAL_COMMAND: 2269 cmdiocb->retry++; 2270 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY) 2271 break; 2272 2273 /* Retry the same FDMI command */ 2274 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, 2275 cmdiocb, 0); 2276 if (err == IOCB_ERROR) 2277 break; 2278 return; 2279 default: 2280 break; 2281 } 2282 } 2283 2284 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 2285 "0229 FDMI cmd %04x failed, latt = %d " 2286 "ulp_status: x%x, rid x%x\n", 2287 be16_to_cpu(fdmi_cmd), latt, ulp_status, 2288 ulp_word4); 2289 } 2290 2291 free_ndlp = cmdiocb->ndlp; 2292 lpfc_ct_free_iocb(phba, cmdiocb); 2293 lpfc_nlp_put(free_ndlp); 2294 2295 ndlp = lpfc_findnode_did(vport, FDMI_DID); 2296 if (!ndlp) 2297 return; 2298 2299 /* Check for a CT LS_RJT response */ 2300 cmd = be16_to_cpu(fdmi_cmd); 2301 if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) { 2302 /* FDMI rsp failed */ 2303 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS, 2304 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd); 2305 2306 /* Should we fallback to FDMI-2 / FDMI-1 ? */ 2307 switch (cmd) { 2308 case SLI_MGMT_RHBA: 2309 if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) { 2310 /* Fallback to FDMI-1 for HBA attributes */ 2311 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR; 2312 2313 /* If HBA attributes are FDMI1, so should 2314 * port attributes be for consistency. 2315 */ 2316 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; 2317 /* Start over */ 2318 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); 2319 } 2320 return; 2321 2322 case SLI_MGMT_RPRT: 2323 if (vport->port_type != LPFC_PHYSICAL_PORT) { 2324 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 2325 if (!ndlp) 2326 return; 2327 } 2328 if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) { 2329 /* Fallback to FDMI-1 */ 2330 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; 2331 /* Start over */ 2332 lpfc_fdmi_cmd(vport, ndlp, cmd, 0); 2333 return; 2334 } 2335 if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) { 2336 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; 2337 /* Retry the same command */ 2338 lpfc_fdmi_cmd(vport, ndlp, cmd, 0); 2339 } 2340 return; 2341 2342 case SLI_MGMT_RPA: 2343 /* No retry on Vendor, RPA only done on physical port */ 2344 if (phba->link_flag & LS_CT_VEN_RPA) { 2345 phba->link_flag &= ~LS_CT_VEN_RPA; 2346 if (phba->cmf_active_mode == LPFC_CFG_OFF) 2347 return; 2348 lpfc_printf_log(phba, KERN_WARNING, 2349 LOG_DISCOVERY | LOG_ELS, 2350 "6460 VEN FDMI RPA RJT\n"); 2351 return; 2352 } 2353 if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) { 2354 /* Fallback to FDMI-1 */ 2355 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR; 2356 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; 2357 /* Start over */ 2358 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); 2359 return; 2360 } 2361 if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) { 2362 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; 2363 /* Retry the same command */ 2364 lpfc_fdmi_cmd(vport, ndlp, cmd, 0); 2365 } 2366 return; 2367 } 2368 } 2369 2370 /* 2371 * On success, need to cycle thru FDMI registration for discovery 2372 * DHBA -> DPRT -> RHBA -> RPA (physical port) 2373 * DPRT -> RPRT (vports) 2374 */ 2375 switch (cmd) { 2376 case SLI_MGMT_RHBA: 2377 /* Check for any RPRTs deferred till after RHBA completes */ 2378 lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask); 2379 2380 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0); 2381 break; 2382 2383 case SLI_MGMT_DHBA: 2384 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0); 2385 break; 2386 2387 case SLI_MGMT_DPRT: 2388 if (vport->port_type == LPFC_PHYSICAL_PORT) { 2389 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0); 2390 } else { 2391 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 2392 if (!ndlp) 2393 return; 2394 2395 /* Only issue a RPRT for the vport if the RHBA 2396 * for the physical port completes successfully. 2397 * We may have to defer the RPRT accordingly. 2398 */ 2399 if (phba->hba_flag & HBA_RHBA_CMPL) { 2400 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0); 2401 } else { 2402 lpfc_printf_vlog(vport, KERN_INFO, 2403 LOG_DISCOVERY, 2404 "6078 RPRT deferred\n"); 2405 vport->ct_flags |= FC_CT_RPRT_DEFER; 2406 } 2407 } 2408 break; 2409 case SLI_MGMT_RPA: 2410 if (vport->port_type == LPFC_PHYSICAL_PORT && 2411 phba->sli4_hba.pc_sli4_params.mi_ver) { 2412 /* mi is only for the phyical port, no vports */ 2413 if (phba->link_flag & LS_CT_VEN_RPA) { 2414 lpfc_printf_vlog(vport, KERN_INFO, 2415 LOG_DISCOVERY | LOG_ELS | 2416 LOG_CGN_MGMT, 2417 "6449 VEN RPA FDMI Success\n"); 2418 phba->link_flag &= ~LS_CT_VEN_RPA; 2419 break; 2420 } 2421 2422 lpfc_printf_log(phba, KERN_INFO, 2423 LOG_DISCOVERY | LOG_CGN_MGMT, 2424 "6210 Issue Vendor MI FDMI %x\n", 2425 phba->sli4_hba.pc_sli4_params.mi_ver); 2426 2427 /* CGN is only for the physical port, no vports */ 2428 if (lpfc_fdmi_cmd(vport, ndlp, cmd, 2429 LPFC_FDMI_VENDOR_ATTR_mi) == 0) 2430 phba->link_flag |= LS_CT_VEN_RPA; 2431 lpfc_printf_log(phba, KERN_INFO, 2432 LOG_DISCOVERY | LOG_ELS, 2433 "6458 Send MI FDMI:%x Flag x%x\n", 2434 phba->sli4_hba.pc_sli4_params.mi_ver, 2435 phba->link_flag); 2436 } else { 2437 lpfc_printf_log(phba, KERN_INFO, 2438 LOG_DISCOVERY | LOG_ELS, 2439 "6459 No FDMI VEN MI support - " 2440 "RPA Success\n"); 2441 } 2442 break; 2443 } 2444 return; 2445 } 2446 2447 2448 /** 2449 * lpfc_fdmi_change_check - Check for changed FDMI parameters 2450 * @vport: pointer to a host virtual N_Port data structure. 2451 * 2452 * Check how many mapped NPorts we are connected to 2453 * Check if our hostname changed 2454 * Called from hbeat timeout routine to check if any FDMI parameters 2455 * changed. If so, re-register those Attributes. 2456 */ 2457 void lpfc_fdmi_change_check(struct lpfc_vport * vport)2458 lpfc_fdmi_change_check(struct lpfc_vport *vport) 2459 { 2460 struct lpfc_hba *phba = vport->phba; 2461 struct lpfc_nodelist *ndlp; 2462 uint16_t cnt; 2463 2464 if (!lpfc_is_link_up(phba)) 2465 return; 2466 2467 /* Must be connected to a Fabric */ 2468 if (!(vport->fc_flag & FC_FABRIC)) 2469 return; 2470 2471 ndlp = lpfc_findnode_did(vport, FDMI_DID); 2472 if (!ndlp) 2473 return; 2474 2475 /* Check if system hostname changed */ 2476 if (strcmp(phba->os_host_name, init_utsname()->nodename)) { 2477 memset(phba->os_host_name, 0, sizeof(phba->os_host_name)); 2478 scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s", 2479 init_utsname()->nodename); 2480 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); 2481 2482 /* Since this effects multiple HBA and PORT attributes, we need 2483 * de-register and go thru the whole FDMI registration cycle. 2484 * DHBA -> DPRT -> RHBA -> RPA (physical port) 2485 * DPRT -> RPRT (vports) 2486 */ 2487 if (vport->port_type == LPFC_PHYSICAL_PORT) { 2488 /* For extra Vendor RPA */ 2489 phba->link_flag &= ~LS_CT_VEN_RPA; 2490 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); 2491 } else { 2492 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 2493 if (!ndlp) 2494 return; 2495 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0); 2496 } 2497 2498 /* Since this code path registers all the port attributes 2499 * we can just return without further checking. 2500 */ 2501 return; 2502 } 2503 2504 if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc)) 2505 return; 2506 2507 /* Check if the number of mapped NPorts changed */ 2508 cnt = lpfc_find_map_node(vport); 2509 if (cnt == vport->fdmi_num_disc) 2510 return; 2511 2512 if (vport->port_type == LPFC_PHYSICAL_PORT) { 2513 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 2514 LPFC_FDMI_PORT_ATTR_num_disc); 2515 } else { 2516 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 2517 if (!ndlp) 2518 return; 2519 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 2520 LPFC_FDMI_PORT_ATTR_num_disc); 2521 } 2522 } 2523 2524 static inline int lpfc_fdmi_set_attr_u32(void * attr,uint16_t attrtype,uint32_t attrval)2525 lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval) 2526 { 2527 struct lpfc_fdmi_attr_u32 *ae = attr; 2528 int size = sizeof(*ae); 2529 2530 ae->type = cpu_to_be16(attrtype); 2531 ae->len = cpu_to_be16(size); 2532 ae->value_u32 = cpu_to_be32(attrval); 2533 2534 return size; 2535 } 2536 2537 static inline int lpfc_fdmi_set_attr_wwn(void * attr,uint16_t attrtype,struct lpfc_name * wwn)2538 lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn) 2539 { 2540 struct lpfc_fdmi_attr_wwn *ae = attr; 2541 int size = sizeof(*ae); 2542 2543 ae->type = cpu_to_be16(attrtype); 2544 ae->len = cpu_to_be16(size); 2545 /* WWN's assumed to be bytestreams - Big Endian presentation */ 2546 memcpy(ae->name, wwn, 2547 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); 2548 2549 return size; 2550 } 2551 2552 static inline int lpfc_fdmi_set_attr_fullwwn(void * attr,uint16_t attrtype,struct lpfc_name * wwnn,struct lpfc_name * wwpn)2553 lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype, 2554 struct lpfc_name *wwnn, struct lpfc_name *wwpn) 2555 { 2556 struct lpfc_fdmi_attr_fullwwn *ae = attr; 2557 u8 *nname = ae->nname; 2558 u8 *pname = ae->pname; 2559 int size = sizeof(*ae); 2560 2561 ae->type = cpu_to_be16(attrtype); 2562 ae->len = cpu_to_be16(size); 2563 /* WWN's assumed to be bytestreams - Big Endian presentation */ 2564 memcpy(nname, wwnn, 2565 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); 2566 memcpy(pname, wwpn, 2567 min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); 2568 2569 return size; 2570 } 2571 2572 static inline int lpfc_fdmi_set_attr_string(void * attr,uint16_t attrtype,char * attrstring)2573 lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring) 2574 { 2575 struct lpfc_fdmi_attr_string *ae = attr; 2576 int len, size; 2577 2578 /* 2579 * We are trusting the caller that if a fdmi string field 2580 * is capped at 64 bytes, the caller passes in a string of 2581 * 64 bytes or less. 2582 */ 2583 2584 strncpy(ae->value_string, attrstring, sizeof(ae->value_string)); 2585 len = strnlen(ae->value_string, sizeof(ae->value_string)); 2586 /* round string length to a 32bit boundary. Ensure there's a NULL */ 2587 len += (len & 3) ? (4 - (len & 3)) : 4; 2588 /* size is Type/Len (4 bytes) plus string length */ 2589 size = FOURBYTES + len; 2590 2591 ae->type = cpu_to_be16(attrtype); 2592 ae->len = cpu_to_be16(size); 2593 2594 return size; 2595 } 2596 2597 /* Bitfields for FC4 Types that can be reported */ 2598 #define ATTR_FC4_CT 0x00000001 2599 #define ATTR_FC4_FCP 0x00000002 2600 #define ATTR_FC4_NVME 0x00000004 2601 2602 static inline int lpfc_fdmi_set_attr_fc4types(void * attr,uint16_t attrtype,uint32_t typemask)2603 lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask) 2604 { 2605 struct lpfc_fdmi_attr_fc4types *ae = attr; 2606 int size = sizeof(*ae); 2607 2608 ae->type = cpu_to_be16(attrtype); 2609 ae->len = cpu_to_be16(size); 2610 2611 if (typemask & ATTR_FC4_FCP) 2612 ae->value_types[2] = 0x01; /* Type 0x8 - FCP */ 2613 2614 if (typemask & ATTR_FC4_CT) 2615 ae->value_types[7] = 0x01; /* Type 0x20 - CT */ 2616 2617 if (typemask & ATTR_FC4_NVME) 2618 ae->value_types[6] = 0x01; /* Type 0x28 - NVME */ 2619 2620 return size; 2621 } 2622 2623 /* Routines for all individual HBA attributes */ 2624 static int lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport * vport,void * attr)2625 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr) 2626 { 2627 return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME, 2628 &vport->fc_sparam.nodeName); 2629 } 2630 2631 static int lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport * vport,void * attr)2632 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr) 2633 { 2634 /* This string MUST be consistent with other FC platforms 2635 * supported by Broadcom. 2636 */ 2637 return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER, 2638 "Emulex Corporation"); 2639 } 2640 2641 static int lpfc_fdmi_hba_attr_sn(struct lpfc_vport * vport,void * attr)2642 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr) 2643 { 2644 struct lpfc_hba *phba = vport->phba; 2645 2646 return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER, 2647 phba->SerialNumber); 2648 } 2649 2650 static int lpfc_fdmi_hba_attr_model(struct lpfc_vport * vport,void * attr)2651 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr) 2652 { 2653 struct lpfc_hba *phba = vport->phba; 2654 2655 return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL, 2656 phba->ModelName); 2657 } 2658 2659 static int lpfc_fdmi_hba_attr_description(struct lpfc_vport * vport,void * attr)2660 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr) 2661 { 2662 struct lpfc_hba *phba = vport->phba; 2663 2664 return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION, 2665 phba->ModelDesc); 2666 } 2667 2668 static int lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport * vport,void * attr)2669 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr) 2670 { 2671 struct lpfc_hba *phba = vport->phba; 2672 lpfc_vpd_t *vp = &phba->vpd; 2673 char buf[16] = { 0 }; 2674 2675 snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev); 2676 2677 return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf); 2678 } 2679 2680 static int lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport * vport,void * attr)2681 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr) 2682 { 2683 return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION, 2684 lpfc_release_version); 2685 } 2686 2687 static int lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport * vport,void * attr)2688 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr) 2689 { 2690 struct lpfc_hba *phba = vport->phba; 2691 char buf[64] = { 0 }; 2692 2693 if (phba->sli_rev == LPFC_SLI_REV4) { 2694 lpfc_decode_firmware_rev(phba, buf, 1); 2695 2696 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION, 2697 buf); 2698 } 2699 2700 return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION, 2701 phba->OptionROMVersion); 2702 } 2703 2704 static int lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport * vport,void * attr)2705 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr) 2706 { 2707 struct lpfc_hba *phba = vport->phba; 2708 char buf[64] = { 0 }; 2709 2710 lpfc_decode_firmware_rev(phba, buf, 1); 2711 2712 return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf); 2713 } 2714 2715 static int lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport * vport,void * attr)2716 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr) 2717 { 2718 char buf[256] = { 0 }; 2719 2720 snprintf(buf, sizeof(buf), "%s %s %s", 2721 init_utsname()->sysname, 2722 init_utsname()->release, 2723 init_utsname()->version); 2724 2725 return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf); 2726 } 2727 2728 static int lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport * vport,void * attr)2729 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr) 2730 { 2731 return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN, 2732 LPFC_MAX_CT_SIZE); 2733 } 2734 2735 static int lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport * vport,void * attr)2736 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr) 2737 { 2738 char buf[256] = { 0 }; 2739 2740 lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf)); 2741 2742 return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf); 2743 } 2744 2745 static int lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport * vport,void * attr)2746 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr) 2747 { 2748 return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0); 2749 } 2750 2751 static int lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport * vport,void * attr)2752 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr) 2753 { 2754 /* Each driver instance corresponds to a single port */ 2755 return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1); 2756 } 2757 2758 static int lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport * vport,void * attr)2759 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr) 2760 { 2761 return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN, 2762 &vport->fabric_nodename); 2763 } 2764 2765 static int lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport * vport,void * attr)2766 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr) 2767 { 2768 struct lpfc_hba *phba = vport->phba; 2769 2770 return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION, 2771 phba->BIOSVersion); 2772 } 2773 2774 static int lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport * vport,void * attr)2775 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr) 2776 { 2777 /* Driver doesn't have access to this information */ 2778 return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0); 2779 } 2780 2781 static int lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport * vport,void * attr)2782 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr) 2783 { 2784 return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX"); 2785 } 2786 2787 /* 2788 * Routines for all individual PORT attributes 2789 */ 2790 2791 static int lpfc_fdmi_port_attr_fc4type(struct lpfc_vport * vport,void * attr)2792 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr) 2793 { 2794 struct lpfc_hba *phba = vport->phba; 2795 u32 fc4types; 2796 2797 fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP); 2798 2799 /* Check to see if Firmware supports NVME and on physical port */ 2800 if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) && 2801 phba->sli4_hba.pc_sli4_params.nvme) 2802 fc4types |= ATTR_FC4_NVME; 2803 2804 return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES, 2805 fc4types); 2806 } 2807 2808 static int lpfc_fdmi_port_attr_support_speed(struct lpfc_vport * vport,void * attr)2809 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr) 2810 { 2811 struct lpfc_hba *phba = vport->phba; 2812 u32 speeds = 0; 2813 u32 tcfg; 2814 u8 i, cnt; 2815 2816 if (!(phba->hba_flag & HBA_FCOE_MODE)) { 2817 cnt = 0; 2818 if (phba->sli_rev == LPFC_SLI_REV4) { 2819 tcfg = phba->sli4_hba.conf_trunk; 2820 for (i = 0; i < 4; i++, tcfg >>= 1) 2821 if (tcfg & 1) 2822 cnt++; 2823 } 2824 2825 if (cnt > 2) { /* 4 lane trunk group */ 2826 if (phba->lmt & LMT_64Gb) 2827 speeds |= HBA_PORTSPEED_256GFC; 2828 if (phba->lmt & LMT_32Gb) 2829 speeds |= HBA_PORTSPEED_128GFC; 2830 if (phba->lmt & LMT_16Gb) 2831 speeds |= HBA_PORTSPEED_64GFC; 2832 } else if (cnt) { /* 2 lane trunk group */ 2833 if (phba->lmt & LMT_128Gb) 2834 speeds |= HBA_PORTSPEED_256GFC; 2835 if (phba->lmt & LMT_64Gb) 2836 speeds |= HBA_PORTSPEED_128GFC; 2837 if (phba->lmt & LMT_32Gb) 2838 speeds |= HBA_PORTSPEED_64GFC; 2839 if (phba->lmt & LMT_16Gb) 2840 speeds |= HBA_PORTSPEED_32GFC; 2841 } else { 2842 if (phba->lmt & LMT_256Gb) 2843 speeds |= HBA_PORTSPEED_256GFC; 2844 if (phba->lmt & LMT_128Gb) 2845 speeds |= HBA_PORTSPEED_128GFC; 2846 if (phba->lmt & LMT_64Gb) 2847 speeds |= HBA_PORTSPEED_64GFC; 2848 if (phba->lmt & LMT_32Gb) 2849 speeds |= HBA_PORTSPEED_32GFC; 2850 if (phba->lmt & LMT_16Gb) 2851 speeds |= HBA_PORTSPEED_16GFC; 2852 if (phba->lmt & LMT_10Gb) 2853 speeds |= HBA_PORTSPEED_10GFC; 2854 if (phba->lmt & LMT_8Gb) 2855 speeds |= HBA_PORTSPEED_8GFC; 2856 if (phba->lmt & LMT_4Gb) 2857 speeds |= HBA_PORTSPEED_4GFC; 2858 if (phba->lmt & LMT_2Gb) 2859 speeds |= HBA_PORTSPEED_2GFC; 2860 if (phba->lmt & LMT_1Gb) 2861 speeds |= HBA_PORTSPEED_1GFC; 2862 } 2863 } else { 2864 /* FCoE links support only one speed */ 2865 switch (phba->fc_linkspeed) { 2866 case LPFC_ASYNC_LINK_SPEED_10GBPS: 2867 speeds = HBA_PORTSPEED_10GE; 2868 break; 2869 case LPFC_ASYNC_LINK_SPEED_25GBPS: 2870 speeds = HBA_PORTSPEED_25GE; 2871 break; 2872 case LPFC_ASYNC_LINK_SPEED_40GBPS: 2873 speeds = HBA_PORTSPEED_40GE; 2874 break; 2875 case LPFC_ASYNC_LINK_SPEED_100GBPS: 2876 speeds = HBA_PORTSPEED_100GE; 2877 break; 2878 } 2879 } 2880 2881 return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds); 2882 } 2883 2884 static int lpfc_fdmi_port_attr_speed(struct lpfc_vport * vport,void * attr)2885 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr) 2886 { 2887 struct lpfc_hba *phba = vport->phba; 2888 u32 speeds = 0; 2889 2890 if (!(phba->hba_flag & HBA_FCOE_MODE)) { 2891 switch (phba->fc_linkspeed) { 2892 case LPFC_LINK_SPEED_1GHZ: 2893 speeds = HBA_PORTSPEED_1GFC; 2894 break; 2895 case LPFC_LINK_SPEED_2GHZ: 2896 speeds = HBA_PORTSPEED_2GFC; 2897 break; 2898 case LPFC_LINK_SPEED_4GHZ: 2899 speeds = HBA_PORTSPEED_4GFC; 2900 break; 2901 case LPFC_LINK_SPEED_8GHZ: 2902 speeds = HBA_PORTSPEED_8GFC; 2903 break; 2904 case LPFC_LINK_SPEED_10GHZ: 2905 speeds = HBA_PORTSPEED_10GFC; 2906 break; 2907 case LPFC_LINK_SPEED_16GHZ: 2908 speeds = HBA_PORTSPEED_16GFC; 2909 break; 2910 case LPFC_LINK_SPEED_32GHZ: 2911 speeds = HBA_PORTSPEED_32GFC; 2912 break; 2913 case LPFC_LINK_SPEED_64GHZ: 2914 speeds = HBA_PORTSPEED_64GFC; 2915 break; 2916 case LPFC_LINK_SPEED_128GHZ: 2917 speeds = HBA_PORTSPEED_128GFC; 2918 break; 2919 case LPFC_LINK_SPEED_256GHZ: 2920 speeds = HBA_PORTSPEED_256GFC; 2921 break; 2922 default: 2923 speeds = HBA_PORTSPEED_UNKNOWN; 2924 break; 2925 } 2926 } else { 2927 switch (phba->fc_linkspeed) { 2928 case LPFC_ASYNC_LINK_SPEED_10GBPS: 2929 speeds = HBA_PORTSPEED_10GE; 2930 break; 2931 case LPFC_ASYNC_LINK_SPEED_25GBPS: 2932 speeds = HBA_PORTSPEED_25GE; 2933 break; 2934 case LPFC_ASYNC_LINK_SPEED_40GBPS: 2935 speeds = HBA_PORTSPEED_40GE; 2936 break; 2937 case LPFC_ASYNC_LINK_SPEED_100GBPS: 2938 speeds = HBA_PORTSPEED_100GE; 2939 break; 2940 default: 2941 speeds = HBA_PORTSPEED_UNKNOWN; 2942 break; 2943 } 2944 } 2945 2946 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds); 2947 } 2948 2949 static int lpfc_fdmi_port_attr_max_frame(struct lpfc_vport * vport,void * attr)2950 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr) 2951 { 2952 struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam; 2953 2954 return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE, 2955 (((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) | 2956 (uint32_t)hsp->cmn.bbRcvSizeLsb); 2957 } 2958 2959 static int lpfc_fdmi_port_attr_os_devname(struct lpfc_vport * vport,void * attr)2960 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr) 2961 { 2962 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 2963 char buf[64] = { 0 }; 2964 2965 snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d", 2966 shost->host_no); 2967 2968 return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf); 2969 } 2970 2971 static int lpfc_fdmi_port_attr_host_name(struct lpfc_vport * vport,void * attr)2972 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr) 2973 { 2974 char buf[64] = { 0 }; 2975 2976 scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name); 2977 2978 return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf); 2979 } 2980 2981 static int lpfc_fdmi_port_attr_wwnn(struct lpfc_vport * vport,void * attr)2982 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr) 2983 { 2984 return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME, 2985 &vport->fc_sparam.nodeName); 2986 } 2987 2988 static int lpfc_fdmi_port_attr_wwpn(struct lpfc_vport * vport,void * attr)2989 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr) 2990 { 2991 return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME, 2992 &vport->fc_sparam.portName); 2993 } 2994 2995 static int lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport * vport,void * attr)2996 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr) 2997 { 2998 char buf[256] = { 0 }; 2999 3000 lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf)); 3001 3002 return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf); 3003 } 3004 3005 static int lpfc_fdmi_port_attr_port_type(struct lpfc_vport * vport,void * attr)3006 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr) 3007 { 3008 struct lpfc_hba *phba = vport->phba; 3009 3010 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE, 3011 (phba->fc_topology == LPFC_TOPOLOGY_LOOP) ? 3012 LPFC_FDMI_PORTTYPE_NLPORT : 3013 LPFC_FDMI_PORTTYPE_NPORT); 3014 } 3015 3016 static int lpfc_fdmi_port_attr_class(struct lpfc_vport * vport,void * attr)3017 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr) 3018 { 3019 return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS, 3020 FC_COS_CLASS2 | FC_COS_CLASS3); 3021 } 3022 3023 static int lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport * vport,void * attr)3024 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr) 3025 { 3026 return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME, 3027 &vport->fabric_portname); 3028 } 3029 3030 static int lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport * vport,void * attr)3031 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr) 3032 { 3033 struct lpfc_hba *phba = vport->phba; 3034 u32 fc4types; 3035 3036 fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP); 3037 3038 /* Check to see if NVME is configured or not */ 3039 if (vport == phba->pport && 3040 phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) 3041 fc4types |= ATTR_FC4_NVME; 3042 3043 return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES, 3044 fc4types); 3045 } 3046 3047 static int lpfc_fdmi_port_attr_port_state(struct lpfc_vport * vport,void * attr)3048 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr) 3049 { 3050 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE, 3051 LPFC_FDMI_PORTSTATE_ONLINE); 3052 } 3053 3054 static int lpfc_fdmi_port_attr_num_disc(struct lpfc_vport * vport,void * attr)3055 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr) 3056 { 3057 vport->fdmi_num_disc = lpfc_find_map_node(vport); 3058 3059 return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT, 3060 vport->fdmi_num_disc); 3061 } 3062 3063 static int lpfc_fdmi_port_attr_nportid(struct lpfc_vport * vport,void * attr)3064 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr) 3065 { 3066 return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID); 3067 } 3068 3069 static int lpfc_fdmi_smart_attr_service(struct lpfc_vport * vport,void * attr)3070 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr) 3071 { 3072 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE, 3073 "Smart SAN Initiator"); 3074 } 3075 3076 static int lpfc_fdmi_smart_attr_guid(struct lpfc_vport * vport,void * attr)3077 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr) 3078 { 3079 return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID, 3080 &vport->fc_sparam.nodeName, 3081 &vport->fc_sparam.portName); 3082 } 3083 3084 static int lpfc_fdmi_smart_attr_version(struct lpfc_vport * vport,void * attr)3085 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr) 3086 { 3087 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION, 3088 "Smart SAN Version 2.0"); 3089 } 3090 3091 static int lpfc_fdmi_smart_attr_model(struct lpfc_vport * vport,void * attr)3092 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr) 3093 { 3094 struct lpfc_hba *phba = vport->phba; 3095 3096 return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL, 3097 phba->ModelName); 3098 } 3099 3100 static int lpfc_fdmi_smart_attr_port_info(struct lpfc_vport * vport,void * attr)3101 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr) 3102 { 3103 /* SRIOV (type 3) is not supported */ 3104 3105 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO, 3106 (vport->vpi) ? 2 /* NPIV */ : 1 /* Physical */); 3107 } 3108 3109 static int lpfc_fdmi_smart_attr_qos(struct lpfc_vport * vport,void * attr)3110 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr) 3111 { 3112 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0); 3113 } 3114 3115 static int lpfc_fdmi_smart_attr_security(struct lpfc_vport * vport,void * attr)3116 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr) 3117 { 3118 return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1); 3119 } 3120 3121 static int lpfc_fdmi_vendor_attr_mi(struct lpfc_vport * vport,void * attr)3122 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr) 3123 { 3124 struct lpfc_hba *phba = vport->phba; 3125 char buf[32] = { 0 }; 3126 3127 sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver); 3128 3129 return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf); 3130 } 3131 3132 /* RHBA attribute jump table */ 3133 static int (*lpfc_fdmi_hba_action[]) 3134 (struct lpfc_vport *vport, void *attrbuf) = { 3135 /* Action routine Mask bit Attribute type */ 3136 lpfc_fdmi_hba_attr_wwnn, /* bit0 RHBA_NODENAME */ 3137 lpfc_fdmi_hba_attr_manufacturer, /* bit1 RHBA_MANUFACTURER */ 3138 lpfc_fdmi_hba_attr_sn, /* bit2 RHBA_SERIAL_NUMBER */ 3139 lpfc_fdmi_hba_attr_model, /* bit3 RHBA_MODEL */ 3140 lpfc_fdmi_hba_attr_description, /* bit4 RHBA_MODEL_DESCRIPTION */ 3141 lpfc_fdmi_hba_attr_hdw_ver, /* bit5 RHBA_HARDWARE_VERSION */ 3142 lpfc_fdmi_hba_attr_drvr_ver, /* bit6 RHBA_DRIVER_VERSION */ 3143 lpfc_fdmi_hba_attr_rom_ver, /* bit7 RHBA_OPTION_ROM_VERSION */ 3144 lpfc_fdmi_hba_attr_fmw_ver, /* bit8 RHBA_FIRMWARE_VERSION */ 3145 lpfc_fdmi_hba_attr_os_ver, /* bit9 RHBA_OS_NAME_VERSION */ 3146 lpfc_fdmi_hba_attr_ct_len, /* bit10 RHBA_MAX_CT_PAYLOAD_LEN */ 3147 lpfc_fdmi_hba_attr_symbolic_name, /* bit11 RHBA_SYM_NODENAME */ 3148 lpfc_fdmi_hba_attr_vendor_info, /* bit12 RHBA_VENDOR_INFO */ 3149 lpfc_fdmi_hba_attr_num_ports, /* bit13 RHBA_NUM_PORTS */ 3150 lpfc_fdmi_hba_attr_fabric_wwnn, /* bit14 RHBA_FABRIC_WWNN */ 3151 lpfc_fdmi_hba_attr_bios_ver, /* bit15 RHBA_BIOS_VERSION */ 3152 lpfc_fdmi_hba_attr_bios_state, /* bit16 RHBA_BIOS_STATE */ 3153 lpfc_fdmi_hba_attr_vendor_id, /* bit17 RHBA_VENDOR_ID */ 3154 }; 3155 3156 /* RPA / RPRT attribute jump table */ 3157 static int (*lpfc_fdmi_port_action[]) 3158 (struct lpfc_vport *vport, void *attrbuf) = { 3159 /* Action routine Mask bit Attribute type */ 3160 lpfc_fdmi_port_attr_fc4type, /* bit0 RPRT_SUPPORT_FC4_TYPES */ 3161 lpfc_fdmi_port_attr_support_speed, /* bit1 RPRT_SUPPORTED_SPEED */ 3162 lpfc_fdmi_port_attr_speed, /* bit2 RPRT_PORT_SPEED */ 3163 lpfc_fdmi_port_attr_max_frame, /* bit3 RPRT_MAX_FRAME_SIZE */ 3164 lpfc_fdmi_port_attr_os_devname, /* bit4 RPRT_OS_DEVICE_NAME */ 3165 lpfc_fdmi_port_attr_host_name, /* bit5 RPRT_HOST_NAME */ 3166 lpfc_fdmi_port_attr_wwnn, /* bit6 RPRT_NODENAME */ 3167 lpfc_fdmi_port_attr_wwpn, /* bit7 RPRT_PORTNAME */ 3168 lpfc_fdmi_port_attr_symbolic_name, /* bit8 RPRT_SYM_PORTNAME */ 3169 lpfc_fdmi_port_attr_port_type, /* bit9 RPRT_PORT_TYPE */ 3170 lpfc_fdmi_port_attr_class, /* bit10 RPRT_SUPPORTED_CLASS */ 3171 lpfc_fdmi_port_attr_fabric_wwpn, /* bit11 RPRT_FABRICNAME */ 3172 lpfc_fdmi_port_attr_active_fc4type, /* bit12 RPRT_ACTIVE_FC4_TYPES */ 3173 lpfc_fdmi_port_attr_port_state, /* bit13 RPRT_PORT_STATE */ 3174 lpfc_fdmi_port_attr_num_disc, /* bit14 RPRT_DISC_PORT */ 3175 lpfc_fdmi_port_attr_nportid, /* bit15 RPRT_PORT_ID */ 3176 lpfc_fdmi_smart_attr_service, /* bit16 RPRT_SMART_SERVICE */ 3177 lpfc_fdmi_smart_attr_guid, /* bit17 RPRT_SMART_GUID */ 3178 lpfc_fdmi_smart_attr_version, /* bit18 RPRT_SMART_VERSION */ 3179 lpfc_fdmi_smart_attr_model, /* bit19 RPRT_SMART_MODEL */ 3180 lpfc_fdmi_smart_attr_port_info, /* bit20 RPRT_SMART_PORT_INFO */ 3181 lpfc_fdmi_smart_attr_qos, /* bit21 RPRT_SMART_QOS */ 3182 lpfc_fdmi_smart_attr_security, /* bit22 RPRT_SMART_SECURITY */ 3183 lpfc_fdmi_vendor_attr_mi, /* bit23 RPRT_VENDOR_MI */ 3184 }; 3185 3186 /** 3187 * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort 3188 * @vport: pointer to a host virtual N_Port data structure. 3189 * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID) 3190 * @cmdcode: FDMI command to send 3191 * @new_mask: Mask of HBA or PORT Attributes to send 3192 * 3193 * Builds and sends a FDMI command using the CT subsystem. 3194 */ 3195 int lpfc_fdmi_cmd(struct lpfc_vport * vport,struct lpfc_nodelist * ndlp,int cmdcode,uint32_t new_mask)3196 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 3197 int cmdcode, uint32_t new_mask) 3198 { 3199 struct lpfc_hba *phba = vport->phba; 3200 struct lpfc_dmabuf *rq, *rsp; 3201 struct lpfc_sli_ct_request *CtReq; 3202 struct ulp_bde64_le *bde; 3203 uint32_t bit_pos; 3204 uint32_t size, addsz; 3205 uint32_t rsp_size; 3206 uint32_t mask; 3207 struct lpfc_fdmi_reg_hba *rh; 3208 struct lpfc_fdmi_port_entry *pe; 3209 struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL; 3210 struct lpfc_fdmi_attr_block *ab = NULL; 3211 int (*func)(struct lpfc_vport *vport, void *attrbuf); 3212 void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 3213 struct lpfc_iocbq *rspiocb); 3214 3215 if (!ndlp) 3216 return 0; 3217 3218 cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */ 3219 3220 /* fill in BDEs for command */ 3221 /* Allocate buffer for command payload */ 3222 rq = kmalloc(sizeof(*rq), GFP_KERNEL); 3223 if (!rq) 3224 goto fdmi_cmd_exit; 3225 3226 rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys); 3227 if (!rq->virt) 3228 goto fdmi_cmd_free_rq; 3229 3230 /* Allocate buffer for Buffer ptr list */ 3231 rsp = kmalloc(sizeof(*rsp), GFP_KERNEL); 3232 if (!rsp) 3233 goto fdmi_cmd_free_rqvirt; 3234 3235 rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys); 3236 if (!rsp->virt) 3237 goto fdmi_cmd_free_rsp; 3238 3239 INIT_LIST_HEAD(&rq->list); 3240 INIT_LIST_HEAD(&rsp->list); 3241 3242 /* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */ 3243 memset(rq->virt, 0, LPFC_BPL_SIZE); 3244 rsp_size = LPFC_BPL_SIZE; 3245 3246 /* FDMI request */ 3247 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3248 "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n", 3249 cmdcode, new_mask, vport->fdmi_port_mask, 3250 vport->fc_flag, vport->port_state); 3251 3252 CtReq = (struct lpfc_sli_ct_request *)rq->virt; 3253 3254 /* First populate the CT_IU preamble */ 3255 CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; 3256 CtReq->RevisionId.bits.InId = 0; 3257 3258 CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE; 3259 CtReq->FsSubType = SLI_CT_FDMI_Subtypes; 3260 3261 CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode); 3262 3263 size = 0; 3264 3265 /* Next fill in the specific FDMI cmd information */ 3266 switch (cmdcode) { 3267 case SLI_MGMT_RHAT: 3268 case SLI_MGMT_RHBA: 3269 rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un; 3270 /* HBA Identifier */ 3271 memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName, 3272 sizeof(struct lpfc_name)); 3273 size += sizeof(struct lpfc_fdmi_hba_ident); 3274 3275 if (cmdcode == SLI_MGMT_RHBA) { 3276 /* Registered Port List */ 3277 /* One entry (port) per adapter */ 3278 rh->rpl.EntryCnt = cpu_to_be32(1); 3279 memcpy(&rh->rpl.pe.PortName, 3280 &phba->pport->fc_sparam.portName, 3281 sizeof(struct lpfc_name)); 3282 size += sizeof(struct lpfc_fdmi_reg_port_list); 3283 } 3284 3285 ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size); 3286 ab->EntryCnt = 0; 3287 size += FOURBYTES; /* add length of EntryCnt field */ 3288 3289 bit_pos = 0; 3290 if (new_mask) 3291 mask = new_mask; 3292 else 3293 mask = vport->fdmi_hba_mask; 3294 3295 /* Mask will dictate what attributes to build in the request */ 3296 while (mask) { 3297 if (mask & 0x1) { 3298 func = lpfc_fdmi_hba_action[bit_pos]; 3299 addsz = func(vport, ((uint8_t *)rh + size)); 3300 if (addsz) { 3301 ab->EntryCnt++; 3302 size += addsz; 3303 } 3304 /* check if another attribute fits */ 3305 if ((size + FDMI_MAX_ATTRLEN) > 3306 (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE)) 3307 goto hba_out; 3308 } 3309 mask = mask >> 1; 3310 bit_pos++; 3311 } 3312 hba_out: 3313 ab->EntryCnt = cpu_to_be32(ab->EntryCnt); 3314 /* Total size */ 3315 size += GID_REQUEST_SZ - 4; 3316 break; 3317 3318 case SLI_MGMT_RPRT: 3319 if (vport->port_type != LPFC_PHYSICAL_PORT) { 3320 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 3321 if (!ndlp) 3322 return 0; 3323 } 3324 fallthrough; 3325 case SLI_MGMT_RPA: 3326 /* Store base ptr right after preamble */ 3327 base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un; 3328 3329 if (cmdcode == SLI_MGMT_RPRT) { 3330 rh = (struct lpfc_fdmi_reg_hba *)base; 3331 /* HBA Identifier */ 3332 memcpy(&rh->hi.PortName, 3333 &phba->pport->fc_sparam.portName, 3334 sizeof(struct lpfc_name)); 3335 pab = (struct lpfc_fdmi_reg_portattr *) 3336 ((uint8_t *)base + sizeof(struct lpfc_name)); 3337 size += sizeof(struct lpfc_name); 3338 } else { 3339 pab = base; 3340 } 3341 3342 memcpy((uint8_t *)&pab->PortName, 3343 (uint8_t *)&vport->fc_sparam.portName, 3344 sizeof(struct lpfc_name)); 3345 pab->ab.EntryCnt = 0; 3346 /* add length of name and EntryCnt field */ 3347 size += sizeof(struct lpfc_name) + FOURBYTES; 3348 3349 bit_pos = 0; 3350 if (new_mask) 3351 mask = new_mask; 3352 else 3353 mask = vport->fdmi_port_mask; 3354 3355 /* Mask will dictate what attributes to build in the request */ 3356 while (mask) { 3357 if (mask & 0x1) { 3358 func = lpfc_fdmi_port_action[bit_pos]; 3359 addsz = func(vport, ((uint8_t *)base + size)); 3360 if (addsz) { 3361 pab->ab.EntryCnt++; 3362 size += addsz; 3363 } 3364 /* check if another attribute fits */ 3365 if ((size + FDMI_MAX_ATTRLEN) > 3366 (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE)) 3367 goto port_out; 3368 } 3369 mask = mask >> 1; 3370 bit_pos++; 3371 } 3372 port_out: 3373 pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt); 3374 size += GID_REQUEST_SZ - 4; 3375 break; 3376 3377 case SLI_MGMT_GHAT: 3378 case SLI_MGMT_GRPL: 3379 rsp_size = FC_MAX_NS_RSP; 3380 fallthrough; 3381 case SLI_MGMT_DHBA: 3382 case SLI_MGMT_DHAT: 3383 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un; 3384 memcpy((uint8_t *)&pe->PortName, 3385 (uint8_t *)&vport->fc_sparam.portName, 3386 sizeof(struct lpfc_name)); 3387 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name); 3388 break; 3389 3390 case SLI_MGMT_GPAT: 3391 case SLI_MGMT_GPAS: 3392 rsp_size = FC_MAX_NS_RSP; 3393 fallthrough; 3394 case SLI_MGMT_DPRT: 3395 if (vport->port_type != LPFC_PHYSICAL_PORT) { 3396 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); 3397 if (!ndlp) 3398 return 0; 3399 } 3400 fallthrough; 3401 case SLI_MGMT_DPA: 3402 pe = (struct lpfc_fdmi_port_entry *)&CtReq->un; 3403 memcpy((uint8_t *)&pe->PortName, 3404 (uint8_t *)&vport->fc_sparam.portName, 3405 sizeof(struct lpfc_name)); 3406 size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name); 3407 break; 3408 case SLI_MGMT_GRHL: 3409 size = GID_REQUEST_SZ - 4; 3410 break; 3411 default: 3412 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, 3413 "0298 FDMI cmdcode x%x not supported\n", 3414 cmdcode); 3415 goto fdmi_cmd_free_rspvirt; 3416 } 3417 CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size); 3418 3419 bde = (struct ulp_bde64_le *)rsp->virt; 3420 bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys)); 3421 bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys)); 3422 bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 << 3423 ULP_BDE64_TYPE_SHIFT); 3424 bde->type_size |= cpu_to_le32(size); 3425 3426 /* 3427 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count 3428 * to hold ndlp reference for the corresponding callback function. 3429 */ 3430 if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0)) 3431 return 0; 3432 3433 fdmi_cmd_free_rspvirt: 3434 lpfc_mbuf_free(phba, rsp->virt, rsp->phys); 3435 fdmi_cmd_free_rsp: 3436 kfree(rsp); 3437 fdmi_cmd_free_rqvirt: 3438 lpfc_mbuf_free(phba, rq->virt, rq->phys); 3439 fdmi_cmd_free_rq: 3440 kfree(rq); 3441 fdmi_cmd_exit: 3442 /* Issue FDMI request failed */ 3443 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3444 "0244 Issue FDMI request failed Data: x%x\n", 3445 cmdcode); 3446 return 1; 3447 } 3448 3449 /** 3450 * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer. 3451 * @t: Context object of the timer. 3452 * 3453 * This function set the WORKER_DELAYED_DISC_TMO flag and wake up 3454 * the worker thread. 3455 **/ 3456 void lpfc_delayed_disc_tmo(struct timer_list * t)3457 lpfc_delayed_disc_tmo(struct timer_list *t) 3458 { 3459 struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo); 3460 struct lpfc_hba *phba = vport->phba; 3461 uint32_t tmo_posted; 3462 unsigned long iflag; 3463 3464 spin_lock_irqsave(&vport->work_port_lock, iflag); 3465 tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO; 3466 if (!tmo_posted) 3467 vport->work_port_events |= WORKER_DELAYED_DISC_TMO; 3468 spin_unlock_irqrestore(&vport->work_port_lock, iflag); 3469 3470 if (!tmo_posted) 3471 lpfc_worker_wake_up(phba); 3472 return; 3473 } 3474 3475 /** 3476 * lpfc_delayed_disc_timeout_handler - Function called by worker thread to 3477 * handle delayed discovery. 3478 * @vport: pointer to a host virtual N_Port data structure. 3479 * 3480 * This function start nport discovery of the vport. 3481 **/ 3482 void lpfc_delayed_disc_timeout_handler(struct lpfc_vport * vport)3483 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport) 3484 { 3485 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 3486 3487 spin_lock_irq(shost->host_lock); 3488 if (!(vport->fc_flag & FC_DISC_DELAYED)) { 3489 spin_unlock_irq(shost->host_lock); 3490 return; 3491 } 3492 vport->fc_flag &= ~FC_DISC_DELAYED; 3493 spin_unlock_irq(shost->host_lock); 3494 3495 lpfc_do_scr_ns_plogi(vport->phba, vport); 3496 } 3497 3498 void lpfc_decode_firmware_rev(struct lpfc_hba * phba,char * fwrevision,int flag)3499 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag) 3500 { 3501 struct lpfc_sli *psli = &phba->sli; 3502 lpfc_vpd_t *vp = &phba->vpd; 3503 uint32_t b1, b2, b3, b4, i, rev; 3504 char c; 3505 uint32_t *ptr, str[4]; 3506 uint8_t *fwname; 3507 3508 if (phba->sli_rev == LPFC_SLI_REV4) 3509 snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName); 3510 else if (vp->rev.rBit) { 3511 if (psli->sli_flag & LPFC_SLI_ACTIVE) 3512 rev = vp->rev.sli2FwRev; 3513 else 3514 rev = vp->rev.sli1FwRev; 3515 3516 b1 = (rev & 0x0000f000) >> 12; 3517 b2 = (rev & 0x00000f00) >> 8; 3518 b3 = (rev & 0x000000c0) >> 6; 3519 b4 = (rev & 0x00000030) >> 4; 3520 3521 switch (b4) { 3522 case 0: 3523 c = 'N'; 3524 break; 3525 case 1: 3526 c = 'A'; 3527 break; 3528 case 2: 3529 c = 'B'; 3530 break; 3531 case 3: 3532 c = 'X'; 3533 break; 3534 default: 3535 c = 0; 3536 break; 3537 } 3538 b4 = (rev & 0x0000000f); 3539 3540 if (psli->sli_flag & LPFC_SLI_ACTIVE) 3541 fwname = vp->rev.sli2FwName; 3542 else 3543 fwname = vp->rev.sli1FwName; 3544 3545 for (i = 0; i < 16; i++) 3546 if (fwname[i] == 0x20) 3547 fwname[i] = 0; 3548 3549 ptr = (uint32_t*)fwname; 3550 3551 for (i = 0; i < 3; i++) 3552 str[i] = be32_to_cpu(*ptr++); 3553 3554 if (c == 0) { 3555 if (flag) 3556 sprintf(fwrevision, "%d.%d%d (%s)", 3557 b1, b2, b3, (char *)str); 3558 else 3559 sprintf(fwrevision, "%d.%d%d", b1, 3560 b2, b3); 3561 } else { 3562 if (flag) 3563 sprintf(fwrevision, "%d.%d%d%c%d (%s)", 3564 b1, b2, b3, c, 3565 b4, (char *)str); 3566 else 3567 sprintf(fwrevision, "%d.%d%d%c%d", 3568 b1, b2, b3, c, b4); 3569 } 3570 } else { 3571 rev = vp->rev.smFwRev; 3572 3573 b1 = (rev & 0xff000000) >> 24; 3574 b2 = (rev & 0x00f00000) >> 20; 3575 b3 = (rev & 0x000f0000) >> 16; 3576 c = (rev & 0x0000ff00) >> 8; 3577 b4 = (rev & 0x000000ff); 3578 3579 sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4); 3580 } 3581 return; 3582 } 3583 3584 static void lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba * phba,struct lpfc_iocbq * cmdiocb,struct lpfc_iocbq * rspiocb)3585 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 3586 struct lpfc_iocbq *rspiocb) 3587 { 3588 struct lpfc_vport *vport = cmdiocb->vport; 3589 struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; 3590 struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; 3591 struct lpfc_sli_ct_request *ctcmd = inp->virt; 3592 struct lpfc_sli_ct_request *ctrsp = outp->virt; 3593 __be16 rsp = ctrsp->CommandResponse.bits.CmdRsp; 3594 struct app_id_object *app; 3595 struct lpfc_nodelist *ndlp = cmdiocb->ndlp; 3596 u32 cmd, hash, bucket; 3597 struct lpfc_vmid *vmp, *cur; 3598 u8 *data = outp->virt; 3599 int i; 3600 3601 cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp); 3602 if (cmd == SLI_CTAS_DALLAPP_ID) 3603 lpfc_ct_free_iocb(phba, cmdiocb); 3604 3605 if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) { 3606 if (cmd != SLI_CTAS_DALLAPP_ID) 3607 goto free_res; 3608 } 3609 /* Check for a CT LS_RJT response */ 3610 if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) { 3611 if (cmd != SLI_CTAS_DALLAPP_ID) 3612 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3613 "3306 VMID FS_RJT Data: x%x x%x x%x\n", 3614 cmd, ctrsp->ReasonCode, 3615 ctrsp->Explanation); 3616 if ((cmd != SLI_CTAS_DALLAPP_ID) || 3617 (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) || 3618 (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) { 3619 /* If DALLAPP_ID failed retry later */ 3620 if (cmd == SLI_CTAS_DALLAPP_ID) 3621 vport->load_flag |= FC_DEREGISTER_ALL_APP_ID; 3622 goto free_res; 3623 } 3624 } 3625 3626 switch (cmd) { 3627 case SLI_CTAS_RAPP_IDENT: 3628 app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data); 3629 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3630 "6712 RAPP_IDENT app id %d port id x%x id " 3631 "len %d\n", be32_to_cpu(app->app_id), 3632 be32_to_cpu(app->port_id), 3633 app->obj.entity_id_len); 3634 3635 if (app->obj.entity_id_len == 0 || app->port_id == 0) 3636 goto free_res; 3637 3638 hash = lpfc_vmid_hash_fn(app->obj.entity_id, 3639 app->obj.entity_id_len); 3640 vmp = lpfc_get_vmid_from_hashtable(vport, hash, 3641 app->obj.entity_id); 3642 if (vmp) { 3643 write_lock(&vport->vmid_lock); 3644 vmp->un.app_id = be32_to_cpu(app->app_id); 3645 vmp->flag |= LPFC_VMID_REGISTERED; 3646 vmp->flag &= ~LPFC_VMID_REQ_REGISTER; 3647 write_unlock(&vport->vmid_lock); 3648 /* Set IN USE flag */ 3649 vport->vmid_flag |= LPFC_VMID_IN_USE; 3650 } else { 3651 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3652 "6901 No entry found %s hash %d\n", 3653 app->obj.entity_id, hash); 3654 } 3655 break; 3656 case SLI_CTAS_DAPP_IDENT: 3657 app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data); 3658 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3659 "6713 DAPP_IDENT app id %d port id x%x\n", 3660 be32_to_cpu(app->app_id), 3661 be32_to_cpu(app->port_id)); 3662 break; 3663 case SLI_CTAS_DALLAPP_ID: 3664 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3665 "8856 Deregistered all app ids\n"); 3666 read_lock(&vport->vmid_lock); 3667 for (i = 0; i < phba->cfg_max_vmid; i++) { 3668 vmp = &vport->vmid[i]; 3669 if (vmp->flag != LPFC_VMID_SLOT_FREE) 3670 memset(vmp, 0, sizeof(struct lpfc_vmid)); 3671 } 3672 read_unlock(&vport->vmid_lock); 3673 /* for all elements in the hash table */ 3674 if (!hash_empty(vport->hash_table)) 3675 hash_for_each(vport->hash_table, bucket, cur, hnode) 3676 hash_del(&cur->hnode); 3677 vport->load_flag |= FC_ALLOW_VMID; 3678 break; 3679 default: 3680 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3681 "8857 Invalid command code\n"); 3682 } 3683 free_res: 3684 lpfc_ct_free_iocb(phba, cmdiocb); 3685 lpfc_nlp_put(ndlp); 3686 } 3687 3688 /** 3689 * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort 3690 * @vport: pointer to a host virtual N_Port data structure. 3691 * @cmdcode: application server command code to send 3692 * @vmid: pointer to vmid info structure 3693 * 3694 * Builds and sends a FDMI command using the CT subsystem. 3695 */ 3696 int lpfc_vmid_cmd(struct lpfc_vport * vport,int cmdcode,struct lpfc_vmid * vmid)3697 lpfc_vmid_cmd(struct lpfc_vport *vport, 3698 int cmdcode, struct lpfc_vmid *vmid) 3699 { 3700 struct lpfc_hba *phba = vport->phba; 3701 struct lpfc_dmabuf *mp, *bmp; 3702 struct lpfc_sli_ct_request *ctreq; 3703 struct ulp_bde64 *bpl; 3704 u32 size; 3705 u32 rsp_size; 3706 u8 *data; 3707 struct lpfc_vmid_rapp_ident_list *rap; 3708 struct lpfc_vmid_dapp_ident_list *dap; 3709 u8 retry = 0; 3710 struct lpfc_nodelist *ndlp; 3711 3712 void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 3713 struct lpfc_iocbq *rspiocb); 3714 3715 ndlp = lpfc_findnode_did(vport, FDMI_DID); 3716 if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) 3717 return 0; 3718 3719 cmpl = lpfc_cmpl_ct_cmd_vmid; 3720 3721 /* fill in BDEs for command */ 3722 /* Allocate buffer for command payload */ 3723 mp = kmalloc(sizeof(*mp), GFP_KERNEL); 3724 if (!mp) 3725 goto vmid_free_mp_exit; 3726 3727 mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 3728 if (!mp->virt) 3729 goto vmid_free_mp_virt_exit; 3730 3731 /* Allocate buffer for Buffer ptr list */ 3732 bmp = kmalloc(sizeof(*bmp), GFP_KERNEL); 3733 if (!bmp) 3734 goto vmid_free_bmp_exit; 3735 3736 bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys); 3737 if (!bmp->virt) 3738 goto vmid_free_bmp_virt_exit; 3739 3740 INIT_LIST_HEAD(&mp->list); 3741 INIT_LIST_HEAD(&bmp->list); 3742 3743 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3744 "3275 VMID Request Data: x%x x%x x%x\n", 3745 vport->fc_flag, vport->port_state, cmdcode); 3746 ctreq = (struct lpfc_sli_ct_request *)mp->virt; 3747 data = mp->virt; 3748 /* First populate the CT_IU preamble */ 3749 memset(data, 0, LPFC_BPL_SIZE); 3750 ctreq->RevisionId.bits.Revision = SLI_CT_REVISION; 3751 ctreq->RevisionId.bits.InId = 0; 3752 3753 ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE; 3754 ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes; 3755 3756 ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode); 3757 rsp_size = LPFC_BPL_SIZE; 3758 size = 0; 3759 3760 switch (cmdcode) { 3761 case SLI_CTAS_RAPP_IDENT: 3762 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3763 "1329 RAPP_IDENT for %s\n", vmid->host_vmid); 3764 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); 3765 rap = (struct lpfc_vmid_rapp_ident_list *) 3766 (DAPP_IDENT_OFFSET + data); 3767 rap->no_of_objects = cpu_to_be32(1); 3768 rap->obj[0].entity_id_len = vmid->vmid_len; 3769 memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len); 3770 size = RAPP_IDENT_OFFSET + 3771 struct_size(rap, obj, be32_to_cpu(rap->no_of_objects)); 3772 retry = 1; 3773 break; 3774 3775 case SLI_CTAS_GALLAPPIA_ID: 3776 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); 3777 size = GALLAPPIA_ID_SIZE; 3778 break; 3779 3780 case SLI_CTAS_DAPP_IDENT: 3781 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3782 "1469 DAPP_IDENT for %s\n", vmid->host_vmid); 3783 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); 3784 dap = (struct lpfc_vmid_dapp_ident_list *) 3785 (DAPP_IDENT_OFFSET + data); 3786 dap->no_of_objects = cpu_to_be32(1); 3787 dap->obj[0].entity_id_len = vmid->vmid_len; 3788 memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len); 3789 size = DAPP_IDENT_OFFSET + 3790 struct_size(dap, obj, be32_to_cpu(dap->no_of_objects)); 3791 write_lock(&vport->vmid_lock); 3792 vmid->flag &= ~LPFC_VMID_REGISTERED; 3793 write_unlock(&vport->vmid_lock); 3794 retry = 1; 3795 break; 3796 3797 case SLI_CTAS_DALLAPP_ID: 3798 ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); 3799 size = DALLAPP_ID_SIZE; 3800 break; 3801 3802 default: 3803 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3804 "7062 VMID cmdcode x%x not supported\n", 3805 cmdcode); 3806 goto vmid_free_all_mem; 3807 } 3808 3809 ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size); 3810 3811 bpl = (struct ulp_bde64 *)bmp->virt; 3812 bpl->addrHigh = putPaddrHigh(mp->phys); 3813 bpl->addrLow = putPaddrLow(mp->phys); 3814 bpl->tus.f.bdeFlags = 0; 3815 bpl->tus.f.bdeSize = size; 3816 3817 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count 3818 * to hold ndlp reference for the corresponding callback function. 3819 */ 3820 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) 3821 return 0; 3822 3823 vmid_free_all_mem: 3824 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 3825 vmid_free_bmp_virt_exit: 3826 kfree(bmp); 3827 vmid_free_bmp_exit: 3828 lpfc_mbuf_free(phba, mp->virt, mp->phys); 3829 vmid_free_mp_virt_exit: 3830 kfree(mp); 3831 vmid_free_mp_exit: 3832 3833 /* Issue CT request failed */ 3834 lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, 3835 "3276 VMID CT request failed Data: x%x\n", cmdcode); 3836 return -EIO; 3837 } 3838